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CVE-2026-98163 cgroup: Avoid iteration of dying tasks with zero refcount

🗓️ 26 Sep 2026 08:31:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Linux kernel cgroup use-after-free in iterating dying tasks with zero refcount.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-98163
26 Sep 202615:00
–circl
cve
CVE
CVE-2026-98163
26 Sep 202608:31
–cve
debiancve
Debian CVE
CVE-2026-98163
26 Sep 202608:31
–debiancve
euvd
EUVD
EUVD-2026-87544
26 Sep 202608:31
–euvd
nvd
NVD
CVE-2026-98163
26 Sep 202609:16
–nvd
osv
OSV
DEBIAN-CVE-2026-98163
26 Sep 202609:16
–osv
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/cgroup/cgroup.c"
    ],
    "versions": [
      {
        "version": "260fbcb92bbeacfcd050410fdc2d24ab15044400",
        "lessThan": "828938118d6c2bb711301748c3e39e4bed6a62f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "260fbcb92bbeacfcd050410fdc2d24ab15044400",
        "lessThan": "057dac23d329d5c5ed62352f2659a39fd46c6d4a",
        "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/cgroup/cgroup.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.8",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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