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CVE-2026-68284 bpf, sockmap: Fix cork use-after-free in tcp_bpf_sendmsg()

🗓️ 10 Aug 2026 12:02:16Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Fix cork use-after-free in tcp_bpf_sendmsg for sockmap by checking the local temporary message directly.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-68284
10 Aug 202616:07
circl
cve
CVE
CVE-2026-68284
10 Aug 202612:02
cve
debiancve
Debian CVE
CVE-2026-68284
10 Aug 202612:02
debiancve
euvd
EUVD
EUVD-2026-55385
10 Aug 202612:02
euvd
nvd
NVD
CVE-2026-68284
10 Aug 202613:20
nvd
osv
OSV
DEBIAN-CVE-2026-68284
10 Aug 202615:47
osv
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/tcp_bpf.c"
    ],
    "versions": [
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "ee762f684eefa59de34d9ed93cab08336e834f47",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "cde4d6bcd9b73073c66498f6723c7b364c4dbc18",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "786d690257ec7a0c839f8710456e444ce3f1348b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "752b1159ed5d0c48fe169a3721b96660a9822aa1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "604326b41a6fb9b4a78b6179335decee0365cd8c",
        "lessThan": "2d66a033864e27ab8d5e44cb36f31d9d2413bee4",
        "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/ipv4/tcp_bpf.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.148",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.101",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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