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CVE-2026-89750 tracing/user_events: Clear copied tracing state before fork duplication

🗓️ 11 Sep 2026 19:46:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Linux kernel tracing/user_events use-after-free when fork allocation failure frees parent pointer.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-89750
11 Sep 202619:46
cve
euvd
EUVD
EUVD-2026-76662
11 Sep 202619:46
euvd
nvd
NVD
CVE-2026-89750
11 Sep 202620:20
nvd
ptsecurity
Positive Technologies
PT-2026-90466
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-89750
11 Sep 202622:20
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_user.c"
    ],
    "versions": [
      {
        "version": "7235759084a4f8524a46bd2638885ff3b34ce279",
        "lessThan": "63b39e49a4c9d68e010e96b26fc7374f0864f2b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7235759084a4f8524a46bd2638885ff3b34ce279",
        "lessThan": "25a0758cf6bdbfddac2be71124c9bd0692f4b0b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7235759084a4f8524a46bd2638885ff3b34ce279",
        "lessThan": "b799f67119aff179719a0b1e12441ebbdaaf62f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7235759084a4f8524a46bd2638885ff3b34ce279",
        "lessThan": "390f6bd8583d177029d9df4bea6667509e55a765",
        "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/trace_events_user.c"
    ],
    "versions": [
      {
        "version": "6.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.109",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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