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CVE-2026-23088 tracing: Fix crash on synthetic stacktrace field usage

🗓️ 04 Feb 2026 16:08:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 25 Views

Linux kernel tracing fix to prevent crash when using synthetic stacktrace field in synthetic events.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_hist.c",
      "kernel/trace/trace_events_synth.c"
    ],
    "versions": [
      {
        "version": "00cf3d672a9dd409418647e9f98784c339c3ff63",
        "lessThan": "98ecbfb2598c9c7ca755a29f402da9d36c057077",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00cf3d672a9dd409418647e9f98784c339c3ff63",
        "lessThan": "327af07dff6ab5650b21491eb4f69694999ff3d1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00cf3d672a9dd409418647e9f98784c339c3ff63",
        "lessThan": "3b90d099efa2b67239bd3b3dc3521ec584261748",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "00cf3d672a9dd409418647e9f98784c339c3ff63",
        "lessThan": "90f9f5d64cae4e72defd96a2a22760173cb3c9ec",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b9453380c1c542fd095a4dbe9251eeba4022bbce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5f52389bdd9eafb63b3a2f804e02aeb17b6a5f55",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f3baa42afeea0d5f04ad31525e861199d02210cc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.237",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.124",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.43",
        "lessThan": "6.2",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/trace/trace_events_hist.c",
      "kernel/trace/trace_events_synth.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.122",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.68",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.8",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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