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CVE-2026-90301

🗓️ 17 Sep 2026 16:08:25Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 43 Views

Use-after-free in Linux kernel ocfs2 o2hb via peer touching region timeout work.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
16 Sep 202616:00
–cnnvd
cvelist
Cvelist
CVE-2026-90301 ocfs2: o2hb: quiesce negotiate handlers and timeout work
17 Sep 202616:08
–cvelist
debiancve
Debian CVE
CVE-2026-90301
17 Sep 202616:08
–debiancve
euvd
EUVD
EUVD-2026-81894
17 Sep 202616:08
–euvd
mscve
Microsoft CVE
ocfs2: o2hb: quiesce negotiate handlers and timeout work
19 Sep 202608:11
–mscve
nvd
NVD
CVE-2026-90301
17 Sep 202617:17
–nvd
osv_azl
osv_azl
AZL-102569 CVE-2026-90301 affecting package kernel 6.6.157.1-1
17 Sep 202617:17
–osv_azl
osv_bell
osv_bell
BELL-CVE-2026-90301
19 Sep 202606:06
–osv_bell
osv_cve
osv_cve
CVE-2026-90301 ocfs2: o2hb: quiesce negotiate handlers and timeout work
17 Sep 202616:08
–osv_cve
osv_debian
osv_debian
DEBIAN-CVE-2026-90301
17 Sep 202617:17
–osv_debian
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.7–6.1.191
linuxlinux_kernelRange6.2.0–6.6.160
linuxlinux_kernelRange6.7.0–6.12.114
linuxlinux_kernelRange6.13.0–6.18.57
linuxlinux_kernelRange6.19.0–7.2.6
linuxlinux_kernelRange7.3.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ocfs2/cluster/heartbeat.c",
      "fs/ocfs2/cluster/tcp.c",
      "fs/ocfs2/cluster/tcp.h"
    ],
    "versions": [
      {
        "version": "34069b886f95356d68bf8315fa648c4ab3193cdd",
        "lessThan": "ed3c9aebd6bb5aa6ccc2a9177fab7a87ae895715",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34069b886f95356d68bf8315fa648c4ab3193cdd",
        "lessThan": "b672d4de13247369c8dc394ba83f2a896d9cc25c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34069b886f95356d68bf8315fa648c4ab3193cdd",
        "lessThan": "f218d70f27bb326f5e9b2f33503e253851b3bafa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34069b886f95356d68bf8315fa648c4ab3193cdd",
        "lessThan": "9d44822ba34d6035690f725f9de602744a6e1946",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34069b886f95356d68bf8315fa648c4ab3193cdd",
        "lessThan": "b5a2907bdeced0949bcddc84b95ba7d4cb93841b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "34069b886f95356d68bf8315fa648c4ab3193cdd",
        "lessThan": "011291b70ba4832e136b7b581825b2bc0f525bf6",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ocfs2/cluster/heartbeat.c",
      "fs/ocfs2/cluster/tcp.c",
      "fs/ocfs2/cluster/tcp.h"
    ],
    "versions": [
      {
        "version": "4.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.191",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.160",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.114",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.57",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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30 Oct 2026 13:20Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.1
EPSS0.00552
43