ALSA-2026:83159

Vulnerability from osv_almalinux – Published: 2026-10-14 00:00 – Updated: 2026-10-15 09:08 – Source website
VLAI
Summary
Important: kernel-rt security, bug fix, and enhancement update
Details

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

  • kernel: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key (CVE-2026-68377)
  • kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262)
  • kernel: net/sched: cls_route: fix fastmap use-after-free on filter (CVE-2026-74583)
  • kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)
  • kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)
  • kernel: svcrdma: Validate Read chunk positions before reconstruction (CVE-2026-89526)
  • kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036)
  • kernel: svcrdma: Reject Write/Reply chunks with segcount 0 (CVE-2026-93228)
  • kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262)

Bug Fix(es) and Enhancement(s):

  • powerpc/pseries: pci - logic bug in SR-IOV enable (JIRA:AlmaLinux-240146)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-debug"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-debug-core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-debug-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-debug-modules"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-debug-modules-extra"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-modules"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-rt-modules-extra"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-553.174.1.rt7.515.el8_10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.  \n\nSecurity Fix(es):  \n\n  * kernel: Linux kernel: Denial of Service due to use-after-free in act_tunnel_key (CVE-2026-68377)\n  * kernel: ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CVE-2026-72262)\n  * kernel: net/sched: cls_route: fix fastmap use-after-free on filter (CVE-2026-74583)\n  * kernel: ALSA: usx2y: bound the hwdep mmap fault offset (CVE-2026-74641)\n  * kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)\n  * kernel: svcrdma: Validate Read chunk positions before reconstruction (CVE-2026-89526)\n  * kernel: NFSD: Prevent client use-after-free during blocked-lock reaping (CVE-2026-90036)\n  * kernel: svcrdma: Reject Write/Reply chunks with segcount 0 (CVE-2026-93228)\n  * kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262)\n\n\nBug Fix(es) and Enhancement(s):  \n\n  * powerpc/pseries: pci - logic bug in SR-IOV enable (JIRA:AlmaLinux-240146)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:83159",
  "modified": "2026-10-15T09:08:15Z",
  "published": "2026-10-14T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:83159"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-68377"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-72262"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-74583"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-74641"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-74705"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-89526"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-90036"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-93228"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-93262"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2513277"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2516575"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2521054"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2521436"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2521498"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2532309"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2535158"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2540230"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2540323"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-83159.html"
    }
  ],
  "related": [
    "CVE-2026-68377",
    "CVE-2026-72262",
    "CVE-2026-74583",
    "CVE-2026-74641",
    "CVE-2026-74705",
    "CVE-2026-89526",
    "CVE-2026-90036",
    "CVE-2026-93228",
    "CVE-2026-93262"
  ],
  "summary": "Important: kernel-rt security, bug fix, and enhancement update"
}



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