CVE-2026-64551

🗓️ 27 Jul 2026 20:10:40Reported by LinuxType

Linux kernel SCTP: validate STALE_COOKIE length before reading staleness to avoid leaking uninitialized memory.

Reporter	Title	Published	Views	Family All 6
Cvelist	CVE-2026-64551 sctp: validate STALE_COOKIE cause length before reading staleness	27 Jul 202620:10	–	cvelist
Debian CVE	CVE-2026-64551	27 Jul 202620:10	–	debiancve
EUVD	EUVD-2026-49602	27 Jul 202620:10	–	euvd
NVD	CVE-2026-64551	27 Jul 202621:17	–	nvd
OSV	DEBIAN-CVE-2026-64551	27 Jul 202622:48	–	osv
Positive Technologies	PT-2026-65226	27 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange2.6.12–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.97

linux linux_kernelRange6.13.0–6.18.40

linux linux_kernelRange6.19.0–7.1.5

linux linux_kernelRange7.2.0–7.2-rc4

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sctp/sm_statefuns.c"
    ],
    "versions": [
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "6022da37786701df1fc5dd946a6dcba59d5473b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "861f884f5471632c731cbbd612a1c072e391a624",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "588706ebaf8cdb4a4161602949eba365514b1db1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "a257b41ddfe9e327b26581ad2777f04b23ac73f5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "08a8f2d13f703924316e9aeac863a88ef50990c7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "ebe0a55d954fa8da383b6192edb8f763dcb002d5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "bbd6b2ea966cf57b6ae095cf5a8dbc993cd197a0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "lessThan": "1cd23ca80784223fa2204e16203f754da4e821f8",
        "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/sctp/sm_statefuns.c"
    ],
    "versions": [
      {
        "version": "2.6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc4",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/08a8f2d13f703924316e9aeac863a88ef50990c7
git	www.git.kernel.org/stable/c/bbd6b2ea966cf57b6ae095cf5a8dbc993cd197a0
git	www.git.kernel.org/stable/c/588706ebaf8cdb4a4161602949eba365514b1db1
git	www.git.kernel.org/stable/c/1cd23ca80784223fa2204e16203f754da4e821f8
git	www.git.kernel.org/stable/c/6022da37786701df1fc5dd946a6dcba59d5473b1
git	www.git.kernel.org/stable/c/ebe0a55d954fa8da383b6192edb8f763dcb002d5
git	www.git.kernel.org/stable/c/861f884f5471632c731cbbd612a1c072e391a624
git	www.git.kernel.org/stable/c/a257b41ddfe9e327b26581ad2777f04b23ac73f5

27 Jul 2026 21:17Current

5.7Medium risk

Vulners AI Score5.7