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CVE-2026-90302 ocfs2: synchronize heartbeat callbacks with o2net teardown

🗓️ 17 Sep 2026 16:08:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Use-after-free in Linux kernel OCFS2 when heartbeat callback races with o2net teardown.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-90302
17 Sep 202616:08
cve
debiancve
Debian CVE
CVE-2026-90302
17 Sep 202616:08
debiancve
euvd
EUVD
EUVD-2026-81963
17 Sep 202616:08
euvd
mscve
Microsoft CVE
ocfs2: synchronize heartbeat callbacks with o2net teardown
19 Sep 202608:12
mscve
nvd
NVD
CVE-2026-90302
17 Sep 202617:17
nvd
osv
OSV
AZL-102873 CVE-2026-90302 affecting package kernel 6.6.150.1-1
17 Sep 202617:17
osv
osv
OSV
DEBIAN-CVE-2026-90302
17 Sep 202617:17
osv
osv
OSV
UBUNTU-CVE-2026-90302
18 Sep 202600:00
osv
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-90302
18 Sep 202600:00
nessus
[
  {
    "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/heartbeat.h",
      "fs/ocfs2/cluster/nodemanager.c",
      "fs/ocfs2/cluster/tcp.c",
      "fs/ocfs2/cluster/tcp.h"
    ],
    "versions": [
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "7601db4c9d3bd9ab2482a863cb05204154d51ae8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "fb61882e184ee5ca745806bc5b2a8483fa129bca",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "a03078a9a2a1c5e4a62f65d389c1f75f9898e21d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "cbb4efc2f99d6a8dba09c96b10acad82da982cf9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "8f96b78314cff0778a3466e49e5edbc1e459c95c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "aee687a2fb36974dc37e4e0f5b03802067c6c4ec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "073f51e39bed354452a057d38a4cc3952727c304",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "98211489d4147e41b11703e4245846d60b3acce4",
        "lessThan": "3e326f3bf16506873777444608e8b715aab74a7a",
        "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/heartbeat.h",
      "fs/ocfs2/cluster/nodemanager.c",
      "fs/ocfs2/cluster/tcp.c",
      "fs/ocfs2/cluster/tcp.h"
    ],
    "versions": [
      {
        "version": "2.6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.270",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.221",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.188",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.157",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.110",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.52",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.6",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Sep 2026 16:08Current
EPSS0.00211
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