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CVE-2026-68399 bpf: Fix UAF in sock clone early bailouts

🗓️ 10 Aug 2026 12:04:18Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

CVE-2026-68399: Reset cloned socket BPF storage after early bailouts to fix use-after-free.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-68399
10 Aug 202612:04
cve
euvd
EUVD
EUVD-2026-55585
10 Aug 202612:04
euvd
nvd
NVD
CVE-2026-68399
10 Aug 202613:20
nvd
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/bpf_sk_storage.c",
      "net/core/sock.c"
    ],
    "versions": [
      {
        "version": "6ac99e8f23d4b10258406ca0dd7bffca5f31da9d",
        "lessThan": "14b49b5ab29979552c219a09e569b424fbbf4a6e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6ac99e8f23d4b10258406ca0dd7bffca5f31da9d",
        "lessThan": "7cbd0c4cebe4c9f678d15e6b9ba975e1155a107f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/bpf_sk_storage.c",
      "net/core/sock.c"
    ],
    "versions": [
      {
        "version": "5.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.2",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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