Skip to content
Heist/ feed
Back to feed
UnratedFix available

Fix CVE(s): CVE-2025-21760, CVE-2025-21761, CVE-2025-21762, CVE-2025-21764

Type: advisorySources: OSV

[ Ubuntu: 4.15.0-250.261 ] * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21760 // CVE-url: https://ubuntu.com/security/CVE-2025-21760 - ndisc: extend RCU protection in ndisc_send_skb() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21761 // CVE-url: https://ubuntu.com/security/CVE-2025-21761 - openvswitch: use RCU protection in ovs_vport_cmd_fill_info() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21764 // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ndisc: use RCU protection in ndisc_alloc_skb() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21765 // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ipv6: use RCU protection in ip6_default_advmss() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ipv4: use RCU protection in rt_is_expired() - ipv4: use RCU protection in inet_select_addr() * CVE-url: https://ubuntu.com/security/CVE-2025-21762 - net: treat possible_net_t net pointer as an RCU one and add read_pnet_rcu() - net: add dev_net_rcu() helper - arp: use RCU protection in arp_xmit()

Products
linux-buildinfo-4.15.0-250-tuxcare.els48-generic, linux-buildinfo-4.15.0-250-tuxcare.els48-lowlatency, linux-cloud-tools-4.15.0-250-tuxcare.els48-generic, linux-cloud-tools-4.15.0-250-tuxcare.els48-lowlatency, linux-headers-4.15.0-250-tuxcare.els48, linux-headers-4.15.0-250-tuxcare.els48-generic, linux-headers-4.15.0-250-tuxcare.els48-lowlatency, linux-hwe-cloud-tools-4.15.0-250-tuxcare.els48, linux-hwe-tools-4.15.0-250-tuxcare.els48, linux-image-unsigned-4.15.0-250-tuxcare.els48-generic, linux-image-unsigned-4.15.0-250-tuxcare.els48-lowlatency, linux-modules-4.15.0-250-tuxcare.els48-generic, linux-modules-4.15.0-250-tuxcare.els48-lowlatency, linux-modules-extra-4.15.0-250-tuxcare.els48-generic, linux-source-4.15.0, linux-tools-4.15.0-250-tuxcare.els48-generic, linux-tools-4.15.0-250-tuxcare.els48-lowlatency
Affected versions
Not specified
Fixed versions
4.15.0-250.261~16.04.1
CVEs
CVE-2025-21760, CVE-2025-21761, CVE-2025-21762, CVE-2025-21764, CVE-2025-21765
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:37 UTC · Revision 1

Source evidence

Fix CVE(s): CVE-2025-21760, CVE-2025-21761, CVE-2025-21762, CVE-2025-21764

core-osv · Original source

Published 21 Oct 2026, 18:10 UTC

[ Ubuntu: 4.15.0-250.261 ] * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21760 // CVE-url: https://ubuntu.com/security/CVE-2025-21760 - ndisc: extend RCU protection in ndisc_send_skb() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21761 // CVE-url: https://ubuntu.com/security/CVE-2025-21761 - openvswitch: use RCU protection in ovs_vport_cmd_fill_info() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21764 // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ndisc: use RCU protection in ndisc_alloc_skb() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21765 // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ipv6: use RCU protection in ip6_default_advmss() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ipv4: use RCU protection in rt_is_expired() - ipv4: use RCU protection in inet_select_addr() * CVE-url: https://ubuntu.com/security/CVE-2025-21762 - net: treat possible_net_t net pointer as an RCU one and add read_pnet_rcu() - net: add dev_net_rcu() helper - arp: use RCU protection in arp_xmit()

osv:CLSA-2025-1754037492

linux-buildinfo-4.15.0-250-tuxcare.els48-generic

Fixed versions: 4.15.0-250.261~16.04.1

linux-buildinfo-4.15.0-250-tuxcare.els48-lowlatency

Fixed versions: 4.15.0-250.261~16.04.1

linux-cloud-tools-4.15.0-250-tuxcare.els48-generic

Fixed versions: 4.15.0-250.261~16.04.1

linux-cloud-tools-4.15.0-250-tuxcare.els48-lowlatency

Fixed versions: 4.15.0-250.261~16.04.1

linux-headers-4.15.0-250-tuxcare.els48

Fixed versions: 4.15.0-250.261~16.04.1

linux-headers-4.15.0-250-tuxcare.els48-generic

Fixed versions: 4.15.0-250.261~16.04.1

linux-headers-4.15.0-250-tuxcare.els48-lowlatency

Fixed versions: 4.15.0-250.261~16.04.1

linux-hwe-cloud-tools-4.15.0-250-tuxcare.els48

Fixed versions: 4.15.0-250.261~16.04.1

linux-hwe-tools-4.15.0-250-tuxcare.els48

Fixed versions: 4.15.0-250.261~16.04.1

linux-image-unsigned-4.15.0-250-tuxcare.els48-generic

Fixed versions: 4.15.0-250.261~16.04.1

linux-image-unsigned-4.15.0-250-tuxcare.els48-lowlatency

Fixed versions: 4.15.0-250.261~16.04.1

linux-modules-4.15.0-250-tuxcare.els48-generic

Fixed versions: 4.15.0-250.261~16.04.1

linux-modules-4.15.0-250-tuxcare.els48-lowlatency

Fixed versions: 4.15.0-250.261~16.04.1

linux-modules-extra-4.15.0-250-tuxcare.els48-generic

Fixed versions: 4.15.0-250.261~16.04.1

linux-source-4.15.0

Fixed versions: 4.15.0-250.261~16.04.1

linux-tools-4.15.0-250-tuxcare.els48-generic

Fixed versions: 4.15.0-250.261~16.04.1

linux-tools-4.15.0-250-tuxcare.els48-lowlatency

Fixed versions: 4.15.0-250.261~16.04.1

Complete source record
{
  "id": "422ea9db20e609540bc8a192b2e8ffe3a4004ee15f1d3e6ae0129e4f0a4d6c8e",
  "url": "https://osv.dev/vulnerability/CLSA-2025-1754037492",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2025-21760, CVE-2025-21761, CVE-2025-21762, CVE-2025-21764",
    "summary": "[ Ubuntu: 4.15.0-250.261 ] * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21760 // CVE-url: https://ubuntu.com/security/CVE-2025-21760 - ndisc: extend RCU protection in ndisc_send_skb() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21761 // CVE-url: https://ubuntu.com/security/CVE-2025-21761 - openvswitch: use RCU protection in ovs_vport_cmd_fill_info() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21764 // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ndisc: use RCU protection in ndisc_alloc_skb() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-2025-21765 // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ipv6: use RCU protection in ip6_default_advmss() * Focal update: v5.4.291 upstream stable release (LP: #2106002) // CVE-url: https://ubuntu.com/security/CVE-2025-21764 - ipv4: use RCU protection in rt_is_expired() - ipv4: use RCU protection in inet_select_addr() * CVE-url: https://ubuntu.com/security/CVE-2025-21762 - net: treat possible_net_t net pointer as an RCU one and add read_pnet_rcu() - net: add dev_net_rcu() helper - arp: use RCU protection in arp_xmit()",
    "evidence": "osv:CLSA-2025-1754037492",
    "products": [
      {
        "name": {
          "value": "linux-buildinfo-4.15.0-250-tuxcare.els48-generic",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-buildinfo-4.15.0-250-tuxcare.els48-lowlatency",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-cloud-tools-4.15.0-250-tuxcare.els48-generic",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-cloud-tools-4.15.0-250-tuxcare.els48-lowlatency",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-250-tuxcare.els48",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-250-tuxcare.els48-generic",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-250-tuxcare.els48-lowlatency",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-hwe-cloud-tools-4.15.0-250-tuxcare.els48",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/7/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-hwe-tools-4.15.0-250-tuxcare.els48",
          "evidence": "/affected/8/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/8/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-image-unsigned-4.15.0-250-tuxcare.els48-generic",
          "evidence": "/affected/9/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/9/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-image-unsigned-4.15.0-250-tuxcare.els48-lowlatency",
          "evidence": "/affected/10/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/10/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-modules-4.15.0-250-tuxcare.els48-generic",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-modules-4.15.0-250-tuxcare.els48-lowlatency",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/12/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-modules-extra-4.15.0-250-tuxcare.els48-generic",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-source-4.15.0",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-4.15.0-250-tuxcare.els48-generic",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/15/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-4.15.0-250-tuxcare.els48-lowlatency",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-250.261~16.04.1",
            "evidence": "/affected/16/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2025-1754037492",
      "aliases": [
        "CLSA-2025-1754037492"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-buildinfo-4.15.0-250-tuxcare.els48-generic",
            "purl": "pkg:deb/tuxcare/linux-buildinfo-4.15.0-250-tuxcare.els48-generic?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-buildinfo-4.15.0-250-tuxcare.els48-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-buildinfo-4.15.0-250-tuxcare.els48-lowlatency?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-cloud-tools-4.15.0-250-tuxcare.els48-generic",
            "purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-250-tuxcare.els48-generic?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-cloud-tools-4.15.0-250-tuxcare.els48-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-250-tuxcare.els48-lowlatency?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-headers-4.15.0-250-tuxcare.els48",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-250-tuxcare.els48?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-headers-4.15.0-250-tuxcare.els48-generic",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-250-tuxcare.els48-generic?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-headers-4.15.0-250-tuxcare.els48-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-250-tuxcare.els48-lowlatency?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-hwe-cloud-tools-4.15.0-250-tuxcare.els48",
            "purl": "pkg:deb/tuxcare/linux-hwe-cloud-tools-4.15.0-250-tuxcare.els48?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-hwe-tools-4.15.0-250-tuxcare.els48",
            "purl": "pkg:deb/tuxcare/linux-hwe-tools-4.15.0-250-tuxcare.els48?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-image-unsigned-4.15.0-250-tuxcare.els48-generic",
            "purl": "pkg:deb/tuxcare/linux-image-unsigned-4.15.0-250-tuxcare.els48-generic?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-image-unsigned-4.15.0-250-tuxcare.els48-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-image-unsigned-4.15.0-250-tuxcare.els48-lowlatency?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-modules-4.15.0-250-tuxcare.els48-generic",
            "purl": "pkg:deb/tuxcare/linux-modules-4.15.0-250-tuxcare.els48-generic?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-modules-4.15.0-250-tuxcare.els48-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-modules-4.15.0-250-tuxcare.els48-lowlatency?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-modules-extra-4.15.0-250-tuxcare.els48-generic",
            "purl": "pkg:deb/tuxcare/linux-modules-extra-4.15.0-250-tuxcare.els48-generic?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-source-4.15.0",
            "purl": "pkg:deb/tuxcare/linux-source-4.15.0?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-tools-4.15.0-250-tuxcare.els48-generic",
            "purl": "pkg:deb/tuxcare/linux-tools-4.15.0-250-tuxcare.els48-generic?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-250.261~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-tools-4.15.0-250-tuxcare.els48-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-tools-4.15.0-250-tuxcare.els48-lowlatency?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1754037492.json"
          }
        }
      ],
      "modified": "2026-10-26T09:32:00.771007207Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-21760",
        "CVE-2025-21761",
        "CVE-2025-21762",
        "CVE-2025-21764",
        "CVE-2025-21765"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2025-1754037492.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21760",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21761",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21762",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21764"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-21760",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-21761",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-21762",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-21764",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-21765",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449301,
  "published_at": "2026-10-21T18:10:52+00:00"
}