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CVE-2026-97950 configfs: pin the symlink target's dirent instead of chasing ->ci_dentry

🗓️ 25 Sep 2026 10:22:58Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Use-after-free in Linux kernel configfs via symlink race during create_link().

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-97950
25 Sep 202610:22
–cve
debiancve
Debian CVE
CVE-2026-97950
25 Sep 202610:22
–debiancve
euvd
EUVD
EUVD-2026-86804
25 Sep 202610:22
–euvd
nvd
NVD
CVE-2026-97950
25 Sep 202611:17
–nvd
osv
OSV
DEBIAN-CVE-2026-97950
25 Sep 202611:17
–osv
ubuntucve
UbuntuCve
CVE-2026-97950
25 Sep 202600:00
–ubuntucve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/configfs/symlink.c"
    ],
    "versions": [
      {
        "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
        "lessThan": "4f54beb2e7f6d399396466682fba3539bcdcb414",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
        "lessThan": "d47c5de1cd6bfbe1067fc310bf90e4e00205e839",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7063fbf2261194f72ee75afca67b3b38b554b5fa",
        "lessThan": "a7c1290eef60711c10289c056ad32ed1f2b47b12",
        "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/configfs/symlink.c"
    ],
    "versions": [
      {
        "version": "2.6.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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