CVE-2026-64450

🗓️ 25 Jul 2026 08:51:20Reported by LinuxType

TIPC broadcast Gap ACK blocks out-of-bounds read in state message handling.

Reporter	Title	Published	Views	Family All 6
ATTACKERKB	CVE-2026-64450	25 Jul 202608:51	–	attackerkb
Cvelist	CVE-2026-64450 tipc: fix out-of-bounds read in broadcast Gap ACK blocks	25 Jul 202608:51	–	cvelist
Debian CVE	CVE-2026-64450	25 Jul 202608:51	–	debiancve
EUVD	EUVD-2026-48794	25 Jul 202608:51	–	euvd
NVD	CVE-2026-64450	25 Jul 202610:17	–	nvd
Positive Technologies	PT-2026-64671	25 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange5.8–5.10.261

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_kernelRange6.7.0–6.12.96

linux linux_kernelRange6.13.0–6.18.39

linux linux_kernelRange6.19.0–7.1.4

linux linux_kernelRange7.2.0–7.2-rc2

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/tipc/bcast.c",
      "net/tipc/bcast.h",
      "net/tipc/node.c"
    ],
    "versions": [
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "055663d21dc4336f67933ab26bef3c5934be6324",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "016f5995c37a5a2c45198308f830f244517d70b7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "74b45af86a767594ba52330cd440ea84e24d700d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "9a51115fcdc78687c8852bf93a1db3951dbb223b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "a21ed5064217cc33726da6c7ef1a520eba43aea1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "2de42e268174766cb2e2b90721afdfdff70e0d8d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "f333b6851bdf326fd2134133272dbbed0c94d921",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d7626b5acff9227e2a65da636a53e09bdafdc0aa",
        "lessThan": "2b66974a1b6134a4bbc3bfed181f7418f688eb54",
        "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/tipc/bcast.c",
      "net/tipc/bcast.h",
      "net/tipc/node.c"
    ],
    "versions": [
      {
        "version": "5.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.8",
        "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": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/f333b6851bdf326fd2134133272dbbed0c94d921
git	www.git.kernel.org/stable/c/a21ed5064217cc33726da6c7ef1a520eba43aea1
git	www.git.kernel.org/stable/c/055663d21dc4336f67933ab26bef3c5934be6324
git	www.git.kernel.org/stable/c/9a51115fcdc78687c8852bf93a1db3951dbb223b
git	www.git.kernel.org/stable/c/74b45af86a767594ba52330cd440ea84e24d700d
git	www.git.kernel.org/stable/c/016f5995c37a5a2c45198308f830f244517d70b7
git	www.git.kernel.org/stable/c/2de42e268174766cb2e2b90721afdfdff70e0d8d
git	www.git.kernel.org/stable/c/2b66974a1b6134a4bbc3bfed181f7418f688eb54

25 Jul 2026 10:17Current

5.8Medium risk

Vulners AI Score5.8