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UnratedFix available

Fix of 19 CVEs

Type: advisorySources: OSV

[ Ubuntu: 4.15.0-252.263 ] * CVE-url: https://ubuntu.com/security/CVE-2022-43945 - NFSD: Protect against send buffer overflow in NFSv3 READ * Focal update: v5.4.285 upstream stable release (LP: #2089233) // CVE-2024-49924 // CVE-url: https://ubuntu.com/security/CVE-2024-49924 - fbdev: pxafb: Fix possible use after free in pxafb_task() * CVE-url: https://ubuntu.com/security/CVE-2025-38477 - net/sched: sch_qfq: Fix race condition on qfq_aggregate - net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in qfq_delete_class * CVE-url: https://ubuntu.com/security/CVE-2025-38618 - vsock: Do not allow binding to VMADDR_PORT_ANY * CVE-url: https://ubuntu.com/security/CVE-2025-38617 - net/packet: fix a race in packet_set_ring() and packet_notifier() * CVE-url: https://ubuntu.com/security/CVE-2025-21796 - nfsd: clear acl_access/acl_default after releasing them * CVE-url: https://ubuntu.com/security/CVE-2022-48827 - NFSD: Fix the behavior of READ near OFFSET_MAX * CVE-url: https://ubuntu.com/security/CVE-2021-47391 - RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests * CVE-url: https://ubuntu.com/security/CVE-2024-41069 - ASoC: topology: Fix references to freed memory - ASoC: topology: Do not assign fields that are already set - ASoC: topology: Clean up route loading * CVE-url: https://ubuntu.com/security/CVE-2024-56616 - drm/dp_mst: Fix MST sideband message body length check * Focal update: v5.4.261 upstream stable release (LP: #2049049) // CVE-url: ht

Products
linux-buildinfo-4.15.0-252-tuxcare.els50-generic, linux-buildinfo-4.15.0-252-tuxcare.els50-lowlatency, linux-cloud-tools-4.15.0-252-tuxcare.els50-generic, linux-cloud-tools-4.15.0-252-tuxcare.els50-lowlatency, linux-headers-4.15.0-252-tuxcare.els50, linux-headers-4.15.0-252-tuxcare.els50-generic, linux-headers-4.15.0-252-tuxcare.els50-lowlatency, linux-hwe-cloud-tools-4.15.0-252-tuxcare.els50, linux-hwe-tools-4.15.0-252-tuxcare.els50, linux-image-unsigned-4.15.0-252-tuxcare.els50-generic, linux-image-unsigned-4.15.0-252-tuxcare.els50-lowlatency, linux-modules-4.15.0-252-tuxcare.els50-generic, linux-modules-4.15.0-252-tuxcare.els50-lowlatency, linux-modules-extra-4.15.0-252-tuxcare.els50-generic, linux-source-4.15.0, linux-tools-4.15.0-252-tuxcare.els50-generic, linux-tools-4.15.0-252-tuxcare.els50-lowlatency
Affected versions
Not specified
Fixed versions
4.15.0-252.263~16.04.1
CVEs
CVE-2021-47391, CVE-2022-43945, CVE-2022-48827, CVE-2022-49292, CVE-2023-52764, CVE-2023-52835, CVE-2023-52836, CVE-2023-52864, CVE-2023-52868, CVE-2024-35965, CVE-2024-35966, CVE-2024-35967, CVE-2024-41069, CVE-2024-49924, CVE-2024-56616, CVE-2025-21704, CVE-2025-21796, CVE-2025-37798, CVE-2025-38350, CVE-2025-38477, CVE-2025-38617, CVE-2025-38618
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:59 UTC · Revision 1

Source evidence

Fix of 19 CVEs

core-osv · Original source

Published 21 Oct 2026, 09:25 UTC

[ Ubuntu: 4.15.0-252.263 ] * CVE-url: https://ubuntu.com/security/CVE-2022-43945 - NFSD: Protect against send buffer overflow in NFSv3 READ * Focal update: v5.4.285 upstream stable release (LP: #2089233) // CVE-2024-49924 // CVE-url: https://ubuntu.com/security/CVE-2024-49924 - fbdev: pxafb: Fix possible use after free in pxafb_task() * CVE-url: https://ubuntu.com/security/CVE-2025-38477 - net/sched: sch_qfq: Fix race condition on qfq_aggregate - net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in qfq_delete_class * CVE-url: https://ubuntu.com/security/CVE-2025-38618 - vsock: Do not allow binding to VMADDR_PORT_ANY * CVE-url: https://ubuntu.com/security/CVE-2025-38617 - net/packet: fix a race in packet_set_ring() and packet_notifier() * CVE-url: https://ubuntu.com/security/CVE-2025-21796 - nfsd: clear acl_access/acl_default after releasing them * CVE-url: https://ubuntu.com/security/CVE-2022-48827 - NFSD: Fix the behavior of READ near OFFSET_MAX * CVE-url: https://ubuntu.com/security/CVE-2021-47391 - RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests * CVE-url: https://ubuntu.com/security/CVE-2024-41069 - ASoC: topology: Fix references to freed memory - ASoC: topology: Do not assign fields that are already set - ASoC: topology: Clean up route loading * CVE-url: https://ubuntu.com/security/CVE-2024-56616 - drm/dp_mst: Fix MST sideband message body length check * Focal update: v5.4.261 upstream stable release (LP: #2049049) // CVE-url: ht

osv:CLSA-2025-1760713752

linux-buildinfo-4.15.0-252-tuxcare.els50-generic

Fixed versions: 4.15.0-252.263~16.04.1

linux-buildinfo-4.15.0-252-tuxcare.els50-lowlatency

Fixed versions: 4.15.0-252.263~16.04.1

linux-cloud-tools-4.15.0-252-tuxcare.els50-generic

Fixed versions: 4.15.0-252.263~16.04.1

linux-cloud-tools-4.15.0-252-tuxcare.els50-lowlatency

Fixed versions: 4.15.0-252.263~16.04.1

linux-headers-4.15.0-252-tuxcare.els50

Fixed versions: 4.15.0-252.263~16.04.1

linux-headers-4.15.0-252-tuxcare.els50-generic

Fixed versions: 4.15.0-252.263~16.04.1

linux-headers-4.15.0-252-tuxcare.els50-lowlatency

Fixed versions: 4.15.0-252.263~16.04.1

linux-hwe-cloud-tools-4.15.0-252-tuxcare.els50

Fixed versions: 4.15.0-252.263~16.04.1

linux-hwe-tools-4.15.0-252-tuxcare.els50

Fixed versions: 4.15.0-252.263~16.04.1

linux-image-unsigned-4.15.0-252-tuxcare.els50-generic

Fixed versions: 4.15.0-252.263~16.04.1

linux-image-unsigned-4.15.0-252-tuxcare.els50-lowlatency

Fixed versions: 4.15.0-252.263~16.04.1

linux-modules-4.15.0-252-tuxcare.els50-generic

Fixed versions: 4.15.0-252.263~16.04.1

linux-modules-4.15.0-252-tuxcare.els50-lowlatency

Fixed versions: 4.15.0-252.263~16.04.1

linux-modules-extra-4.15.0-252-tuxcare.els50-generic

Fixed versions: 4.15.0-252.263~16.04.1

linux-source-4.15.0

Fixed versions: 4.15.0-252.263~16.04.1

linux-tools-4.15.0-252-tuxcare.els50-generic

Fixed versions: 4.15.0-252.263~16.04.1

linux-tools-4.15.0-252-tuxcare.els50-lowlatency

Fixed versions: 4.15.0-252.263~16.04.1

Complete source record
{
  "id": "3a68babc3ee93d3df5a38194a04d7fe7ea47fdd9760f9f0e09563e5477baab58",
  "url": "https://osv.dev/vulnerability/CLSA-2025-1760713752",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix of 19 CVEs",
    "summary": "[ Ubuntu: 4.15.0-252.263 ] * CVE-url: https://ubuntu.com/security/CVE-2022-43945 - NFSD: Protect against send buffer overflow in NFSv3 READ * Focal update: v5.4.285 upstream stable release (LP: #2089233) // CVE-2024-49924 // CVE-url: https://ubuntu.com/security/CVE-2024-49924 - fbdev: pxafb: Fix possible use after free in pxafb_task() * CVE-url: https://ubuntu.com/security/CVE-2025-38477 - net/sched: sch_qfq: Fix race condition on qfq_aggregate - net/sched: sch_qfq: Avoid triggering might_sleep in atomic context in qfq_delete_class * CVE-url: https://ubuntu.com/security/CVE-2025-38618 - vsock: Do not allow binding to VMADDR_PORT_ANY * CVE-url: https://ubuntu.com/security/CVE-2025-38617 - net/packet: fix a race in packet_set_ring() and packet_notifier() * CVE-url: https://ubuntu.com/security/CVE-2025-21796 - nfsd: clear acl_access/acl_default after releasing them * CVE-url: https://ubuntu.com/security/CVE-2022-48827 - NFSD: Fix the behavior of READ near OFFSET_MAX * CVE-url: https://ubuntu.com/security/CVE-2021-47391 - RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests * CVE-url: https://ubuntu.com/security/CVE-2024-41069 - ASoC: topology: Fix references to freed memory - ASoC: topology: Do not assign fields that are already set - ASoC: topology: Clean up route loading * CVE-url: https://ubuntu.com/security/CVE-2024-56616 - drm/dp_mst: Fix MST sideband message body length check * Focal update: v5.4.261 upstream stable release (LP: #2049049) // CVE-url: ht",
    "evidence": "osv:CLSA-2025-1760713752",
    "products": [
      {
        "name": {
          "value": "linux-buildinfo-4.15.0-252-tuxcare.els50-generic",
          "evidence": "/affected/0/package/name"
        },
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        "affected_versions": []
      },
      {
        "name": {
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        "affected_versions": []
      },
      {
        "name": {
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          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-252-tuxcare.els50",
          "evidence": "/affected/4/package/name"
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        "fixed_versions": [
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            "value": "4.15.0-252.263~16.04.1",
            "evidence": "/affected/4/ranges"
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        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-252-tuxcare.els50-generic",
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          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-headers-4.15.0-252-tuxcare.els50-lowlatency",
          "evidence": "/affected/6/package/name"
        },
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        ],
        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/affected/7/package/name"
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            "evidence": "/affected/7/ranges"
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        ],
        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/affected/8/package/name"
        },
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        ],
        "affected_versions": []
      },
      {
        "name": {
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        ],
        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
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            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
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            "evidence": "/affected/12/ranges"
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-modules-extra-4.15.0-252-tuxcare.els50-generic",
          "evidence": "/affected/13/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
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            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-source-4.15.0",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-252.263~16.04.1",
            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
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            "evidence": "/affected/15/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "linux-tools-4.15.0-252-tuxcare.els50-lowlatency",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.15.0-252.263~16.04.1",
            "evidence": "/affected/16/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2025-1760713752",
      "aliases": [
        "CLSA-2025-1760713752"
      ],
      "affected": [
        {
          "ranges": [
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            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
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            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
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            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
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          }
        },
        {
          "ranges": [
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                }
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          "package": {
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            "purl": "pkg:deb/tuxcare/linux-cloud-tools-4.15.0-252-tuxcare.els50-lowlatency?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
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          }
        },
        {
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                }
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            }
          ],
          "package": {
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            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-252-tuxcare.els50?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-2025-1760713752.json"
          }
        },
        {
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                }
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          ],
          "package": {
            "name": "linux-headers-4.15.0-252-tuxcare.els50-generic",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-252-tuxcare.els50-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-2025-1760713752.json"
          }
        },
        {
          "ranges": [
            {
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              "events": [
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                {
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                }
              ]
            }
          ],
          "package": {
            "name": "linux-headers-4.15.0-252-tuxcare.els50-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-headers-4.15.0-252-tuxcare.els50-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-2025-1760713752.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-252.263~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-hwe-cloud-tools-4.15.0-252-tuxcare.els50",
            "purl": "pkg:deb/tuxcare/linux-hwe-cloud-tools-4.15.0-252-tuxcare.els50?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-2025-1760713752.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-252.263~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-hwe-tools-4.15.0-252-tuxcare.els50",
            "purl": "pkg:deb/tuxcare/linux-hwe-tools-4.15.0-252-tuxcare.els50?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-2025-1760713752.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-252.263~16.04.1"
                }
              ]
            }
          ],
          "package": {
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            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu16.04els/CLSA-2025-1760713752.json"
          }
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                  "introduced": "0"
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            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
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          },
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          },
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          },
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          ],
          "package": {
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            "purl": "pkg:deb/tuxcare/linux-source-4.15.0?distro=ubuntu-16.04",
            "ecosystem": "TuxCare:Ubuntu:16.04"
          },
          "database_specific": {
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          }
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          ],
          "package": {
            "name": "linux-tools-4.15.0-252-tuxcare.els50-generic",
            "purl": "pkg:deb/tuxcare/linux-tools-4.15.0-252-tuxcare.els50-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-2025-1760713752.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.15.0-252.263~16.04.1"
                }
              ]
            }
          ],
          "package": {
            "name": "linux-tools-4.15.0-252-tuxcare.els50-lowlatency",
            "purl": "pkg:deb/tuxcare/linux-tools-4.15.0-252-tuxcare.els50-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-2025-1760713752.json"
          }
        }
      ],
      "modified": "2026-10-26T09:43:58.828002870Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-47391",
        "CVE-2022-43945",
        "CVE-2022-48827",
        "CVE-2022-49292",
        "CVE-2023-52764",
        "CVE-2023-52835",
        "CVE-2023-52836",
        "CVE-2023-52864",
        "CVE-2023-52868",
        "CVE-2024-35965",
        "CVE-2024-35966",
        "CVE-2024-35967",
        "CVE-2024-41069",
        "CVE-2024-49924",
        "CVE-2024-56616",
        "CVE-2025-21704",
        "CVE-2025-21796",
        "CVE-2025-37798",
        "CVE-2025-38350",
        "CVE-2025-38477",
        "CVE-2025-38617",
        "CVE-2025-38618"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu16.04els/CLSA-2025-1760713752.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2021-47391",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-48827",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-49292",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52764",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52835",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52836",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52864",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52868",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-35965",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-35966",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-41069",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49924",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-56616",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21704",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-21796",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38350",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38477",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38617",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38618"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-47391",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2022-43945",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2022-48827",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2022-49292",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2023-52764",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2023-52835",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2023-52836",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2023-52864",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2023-52868",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-35965",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-35966",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-35967",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-41069",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-49924",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2024-56616",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-21704",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-21796",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-37798",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-38350",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-38477",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-38617",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2025-38618",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 450277,
  "published_at": "2026-10-21T09:25:45+00:00"
}