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CVE-2026-74634 ring-buffer: Prevent subbuf order change when resizing is disabled

🗓️ 22 Aug 2026 15:32:14Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

Use-after-free in Linux kernel ring-buffer when subbuf order changes with resizing disabled.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-74634
22 Aug 202615:32
cve
debian
Debian
[SECURITY] [DSA 6466-1] linux security update
25 Aug 202620:09
debian
debiancve
Debian CVE
CVE-2026-74634
22 Aug 202615:32
debiancve
nessus
Tenable Nessus
Debian dsa-6466 : ata-modules-6.12.101+deb13-armmp-di - security update
25 Aug 202600:00
nessus
nessus
Tenable Nessus
Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)
4 Sep 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-74634
22 Aug 202600:00
nessus
oraclelinux
Oracle linux
Unbreakable Enterprise kernel security update
4 Sep 202600:00
oraclelinux
euvd
EUVD
EUVD-2026-64571
22 Aug 202615:32
euvd
nvd
NVD
CVE-2026-74634
22 Aug 202616:16
nvd
osv
OSV
BELL-CVE-2026-74634
27 Aug 202606:10
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/ring_buffer.c"
    ],
    "versions": [
      {
        "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "b45b91db41379ee5fb36c187d6d7c37b725cbe8e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "62978cf6347972c04130e4e841ba404504d92b32",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "7568e9e717e7540bd05bcc007f5d76fcaff3cdff",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f9b94daa542a8d2532f0930f01cd9aec2d19621b",
        "lessThan": "bf98d7b0d5a99991e47e66cee4eb1d3fa514be97",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/ring_buffer.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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25 Aug 2026 05:40Current
CVSS 3.17.8
EPSS0.00125
28