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UnratedFix available

Important: kernel security, bug fix, and enhancement update

Type: advisorySources: OSV

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Use-after-free in xc5000 tuner driver due to race condition (CVE-2025-39994) * kernel: gfs2: Fix unlikely race in gdlm_put_lock (CVE-2025-40242) * kernel: Linux kernel: Denial of Service in RDMA/bnxt_re driver due to race condition during QP destruction (CVE-2023-54048) * kernel: nvme-pci: fix mempool alloc size (CVE-2022-50756) * kernel: Linux kernel: Denial of Service in QFQ scheduler via child qlen manipulation (CVE-2026-23105) * kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856) * kernel: gfs2: Fix slab-use-after-free in qd_put (CVE-2026-45861) * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319) * kernel: gfs2: add some missing log locking (CVE-2026-53049) * kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972) * kernel: net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list (CVE-2026-53230) * kernel: ipvs: clear the svc scheduler ptr early on edit (CVE-2026-53270) * kernel: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-63829) * kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794) * kernel: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (CVE-2026-63992) * kernel: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() (CVE

Products
bpftool, kernel, kernel-abi-stablelists, kernel-core, kernel-cross-headers, kernel-debug, kernel-debug-core, kernel-debug-devel, kernel-debug-modules, kernel-debug-modules-extra, kernel-devel, kernel-doc, kernel-headers, kernel-modules, kernel-modules-extra, kernel-tools, kernel-tools-libs, kernel-tools-libs-devel, kernel-zfcpdump, kernel-zfcpdump-core, kernel-zfcpdump-devel, kernel-zfcpdump-modules, kernel-zfcpdump-modules-extra, perf, python3-perf
Affected versions
Not specified
Fixed versions
4.18.0-553.171.1.el8_10
CVEs
Not specified
Confirmed fixed CVEs
Not specified
Updated in this feed
27 Oct 2026, 11:00 UTC · Revision 1

Source evidence

Important: kernel security, bug fix, and enhancement update

core-osv · Original source

Published 5 Oct 2026, 00:00 UTC

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Use-after-free in xc5000 tuner driver due to race condition (CVE-2025-39994) * kernel: gfs2: Fix unlikely race in gdlm_put_lock (CVE-2025-40242) * kernel: Linux kernel: Denial of Service in RDMA/bnxt_re driver due to race condition during QP destruction (CVE-2023-54048) * kernel: nvme-pci: fix mempool alloc size (CVE-2022-50756) * kernel: Linux kernel: Denial of Service in QFQ scheduler via child qlen manipulation (CVE-2026-23105) * kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856) * kernel: gfs2: Fix slab-use-after-free in qd_put (CVE-2026-45861) * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319) * kernel: gfs2: add some missing log locking (CVE-2026-53049) * kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972) * kernel: net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list (CVE-2026-53230) * kernel: ipvs: clear the svc scheduler ptr early on edit (CVE-2026-53270) * kernel: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-63829) * kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794) * kernel: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (CVE-2026-63992) * kernel: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() (CVE

osv:ALSA-2026:75747

bpftool

Fixed versions: 4.18.0-553.171.1.el8_10

kernel

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-abi-stablelists

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-core

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-cross-headers

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-debug

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-debug-core

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-debug-devel

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-debug-modules

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-debug-modules-extra

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-devel

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-doc

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-headers

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-modules

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-modules-extra

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-tools

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-tools-libs

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-tools-libs-devel

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-zfcpdump

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-zfcpdump-core

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-zfcpdump-devel

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-zfcpdump-modules

Fixed versions: 4.18.0-553.171.1.el8_10

kernel-zfcpdump-modules-extra

Fixed versions: 4.18.0-553.171.1.el8_10

perf

Fixed versions: 4.18.0-553.171.1.el8_10

python3-perf

Fixed versions: 4.18.0-553.171.1.el8_10

Complete source record
{
  "id": "595ad541c20bf747c553e35b53cc9e37b6097dc87965f22d656809b6f896c822",
  "url": "https://osv.dev/vulnerability/ALSA-2026%3A75747",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Important: kernel security, bug fix, and enhancement update",
    "summary": "The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Linux kernel: Use-after-free in xc5000 tuner driver due to race condition (CVE-2025-39994) * kernel: gfs2: Fix unlikely race in gdlm_put_lock (CVE-2025-40242) * kernel: Linux kernel: Denial of Service in RDMA/bnxt_re driver due to race condition during QP destruction (CVE-2023-54048) * kernel: nvme-pci: fix mempool alloc size (CVE-2022-50756) * kernel: Linux kernel: Denial of Service in QFQ scheduler via child qlen manipulation (CVE-2026-23105) * kernel: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856) * kernel: gfs2: Fix slab-use-after-free in qd_put (CVE-2026-45861) * kernel: net/sched: act_ct: Only release RCU read lock after ct_ft (CVE-2026-46319) * kernel: gfs2: add some missing log locking (CVE-2026-53049) * kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972) * kernel: net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list (CVE-2026-53230) * kernel: ipvs: clear the svc scheduler ptr early on edit (CVE-2026-53270) * kernel: net: ip_gre: require CAP_NET_ADMIN in the device netns for changelink (CVE-2026-63829) * kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794) * kernel: tunnels: do not assume transport header in iptunnel_pmtud_check_icmp() (CVE-2026-63992) * kernel: tunnels: load network headers after skb_cow() in iptunnel_pmtud_build_icmp[v6]() (CVE",
    "evidence": "osv:ALSA-2026:75747",
    "products": [
      {
        "name": {
          "value": "bpftool",
          "evidence": "/affected/0/package/name"
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      {
        "name": {
          "value": "kernel-cross-headers",
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            "evidence": "/affected/4/ranges"
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        "affected_versions": []
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      {
        "name": {
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          "evidence": "/affected/5/package/name"
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        "prerequisites": [],
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            "evidence": "/affected/5/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-debug-core",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
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            "evidence": "/affected/6/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-debug-devel",
          "evidence": "/affected/7/package/name"
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      {
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        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-debug-modules-extra",
          "evidence": "/affected/9/package/name"
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        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/9/ranges"
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        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-devel",
          "evidence": "/affected/10/package/name"
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            "evidence": "/affected/10/ranges"
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-doc",
          "evidence": "/affected/11/package/name"
        },
        "prerequisites": [],
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            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/11/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-headers",
          "evidence": "/affected/12/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/12/ranges"
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        "affected_versions": []
      },
      {
        "name": {
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          "evidence": "/affected/13/package/name"
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        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/13/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-modules-extra",
          "evidence": "/affected/14/package/name"
        },
        "prerequisites": [],
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            "evidence": "/affected/14/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-tools",
          "evidence": "/affected/15/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/15/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-tools-libs",
          "evidence": "/affected/16/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/16/ranges"
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        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-tools-libs-devel",
          "evidence": "/affected/17/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/17/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-zfcpdump",
          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/18/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-zfcpdump-core",
          "evidence": "/affected/19/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/19/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-zfcpdump-devel",
          "evidence": "/affected/20/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/20/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-zfcpdump-modules",
          "evidence": "/affected/21/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/21/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "kernel-zfcpdump-modules-extra",
          "evidence": "/affected/22/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/22/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "perf",
          "evidence": "/affected/23/package/name"
        },
        "prerequisites": [],
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          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/23/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "python3-perf",
          "evidence": "/affected/24/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.18.0-553.171.1.el8_10",
            "evidence": "/affected/24/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "ALSA-2026:75747",
      "aliases": [
        "ALSA-2026:75747"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.18.0-553.171.1.el8_10"
                }
              ]
            }
          ],
          "package": {
            "name": "bpftool",
            "purl": "pkg:rpm/almalinux/bpftool",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
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          }
        },
        {
          "ranges": [
            {
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          ],
          "package": {
            "name": "kernel",
            "purl": "pkg:rpm/almalinux/kernel",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
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          }
        },
        {
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          ],
          "package": {
            "name": "kernel-abi-stablelists",
            "purl": "pkg:rpm/almalinux/kernel-abi-stablelists",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
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                }
              ]
            }
          ],
          "package": {
            "name": "kernel-core",
            "purl": "pkg:rpm/almalinux/kernel-core",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
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                {
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                }
              ]
            }
          ],
          "package": {
            "name": "kernel-cross-headers",
            "purl": "pkg:rpm/almalinux/kernel-cross-headers",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
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                },
                {
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                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug",
            "purl": "pkg:rpm/almalinux/kernel-debug",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
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                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug-core",
            "purl": "pkg:rpm/almalinux/kernel-debug-core",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.18.0-553.171.1.el8_10"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug-devel",
            "purl": "pkg:rpm/almalinux/kernel-debug-devel",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4.18.0-553.171.1.el8_10"
                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug-modules",
            "purl": "pkg:rpm/almalinux/kernel-debug-modules",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
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                }
              ]
            }
          ],
          "package": {
            "name": "kernel-debug-modules-extra",
            "purl": "pkg:rpm/almalinux/kernel-debug-modules-extra",
            "ecosystem": "AlmaLinux:8"
          },
          "database_specific": {
            "source": "https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2026:75747.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
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        }
      ],
      "modified": "2026-10-06T12:11:48.802957894Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2026:75747",
        "https://access.redhat.com/security/cve/CVE-2022-50756",
        "https://access.redhat.com/security/cve/CVE-2023-54048",
        "https://access.redhat.com/security/cve/CVE-2025-39994",
        "https://access.redhat.com/security/cve/CVE-2025-40242",
        "https://access.redhat.com/security/cve/CVE-2026-23105",
        "https://access.redhat.com/security/cve/CVE-2026-45856",
        "https://access.redhat.com/security/cve/CVE-2026-45861",
        "https://access.redhat.com/security/cve/CVE-2026-46319",
        "https://access.redhat.com/security/cve/CVE-2026-52972",
        "https://access.redhat.com/security/cve/CVE-2026-53049",
        "https://access.redhat.com/security/cve/CVE-2026-53230",
        "https://access.redhat.com/security/cve/CVE-2026-53270",
        "https://access.redhat.com/security/cve/CVE-2026-63794",
        "https://access.redhat.com/security/cve/CVE-2026-63829",
        "https://access.redhat.com/security/cve/CVE-2026-63992",
        "https://access.redhat.com/security/cve/CVE-2026-63994",
        "https://access.redhat.com/security/cve/CVE-2026-68432",
        "https://access.redhat.com/security/cve/CVE-2026-72052",
        "https://access.redhat.com/security/cve/CVE-2026-72255",
        "https://access.redhat.com/security/cve/CVE-2026-74516",
        "https://access.redhat.com/security/cve/CVE-2026-74569",
        "https://access.redhat.com/security/cve/CVE-2026-74669",
        "https://access.redhat.com/security/cve/CVE-2026-74744",
        "https://access.redhat.com/security/cve/CVE-2026-74746",
        "https://access.redhat.com/security/cve/CVE-2026-80921",
        "https://access.redhat.com/security/cve/CVE-2026-89481",
        "https://access.redhat.com/security/cve/CVE-2026-89972",
        "https://access.redhat.com/security/cve/CVE-2026-90227",
        "https://access.redhat.com/security/cve/CVE-2026-97417",
        "https://bugzilla.redhat.com/2404123",
        "https://bugzilla.redhat.com/2418819",
        "https://bugzilla.redhat.com/2425013",
        "https://bugzilla.redhat.com/2425209",
        "https://bugzilla.redhat.com/2436789",
        "https://bugzilla.redhat.com/2482129",
        "https://bugzilla.redhat.com/2482143",
        "https://bugzilla.redhat.com/2486979",
        "https://bugzilla.redhat.com/2492276",
        "https://bugzilla.redhat.com/2492364",
        "https://bugzilla.redhat.com/2492728",
        "https://bugzilla.redhat.com/2492853",
        "https://bugzilla.redhat.com/2502230",
        "https://bugzilla.redhat.com/2502241",
        "https://bugzilla.redhat.com/2502431",
        "https://bugzilla.redhat.com/2502444",
        "https://bugzilla.redhat.com/2514441",
        "https://bugzilla.redhat.com/2516306",
        "https://bugzilla.redhat.com/2516717",
        "https://bugzilla.redhat.com/2516998",
        "https://bugzilla.redhat.com/2517052",
        "https://bugzilla.redhat.com/2521375",
        "https://bugzilla.redhat.com/2524431",
        "https://bugzilla.redhat.com/2524483",
        "https://bugzilla.redhat.com/2531066",
        "https://bugzilla.redhat.com/2532184",
        "https://bugzilla.redhat.com/2535140",
        "https://bugzilla.redhat.com/2536346",
        "https://bugzilla.redhat.com/2540479",
        "https://errata.almalinux.org/8/ALSA-2026-75747.html"
      ]
    },
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 88990,
  "published_at": "2026-10-05T00:00:00+00:00"
}