CVE-2026-64560

🗓️ 29 Jul 2026 16:47:17Reported by LinuxType

cve🔗 web.nvd.nist.gov📰️ 3 Media mentions👁 588 Views

Fixes a use after free in Linux posix cpu timers caused by non-leader exec race during timer delete.

Reporter	Title	Published	Views	Family All 121
GithubExploit	Exploit for CVE-2026-64560	23 Aug 202606:36	–	githubexploit
GithubExploit	Exploit for CVE-2026-64560	5 Sep 202611:06	–	githubexploit
GithubExploit	Exploit for CVE-2026-64560	25 Sep 202613:23	–	githubexploit
GithubExploit	Exploit for CVE-2026-64560	18 Sep 202606:54	–	githubexploit
GithubExploit	Exploit for CVE-2026-64560	25 Sep 202613:42	–	githubexploit
GithubExploit	Exploit for CVE-2026-64560	26 Sep 202612:31	–	githubexploit
GithubExploit	Exploit for CVE-2026-64560	3 Aug 202612:36	–	githubexploit
attackerkb	CVE-2026-64560	29 Jul 202616:47	–	attackerkb
Tenable Nessus	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-2057)	18 Aug 202600:00	–	nessus
Tenable Nessus	Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-2058)	18 Aug 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange5.7–5.10.262

linux linux_kernelRange5.11.0–5.15.213

linux linux_kernelRange5.16.0–6.1.180

linux linux_kernelRange6.2.0–6.6.147

linux linux_kernelRange6.7.0–6.12.100

linux linux_kernelRange6.13.0–6.18.41

linux linux_kernelRange6.19.0–7.1.5

linux linux_kernelRange7.2.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/exit.c",
      "kernel/signal.c",
      "kernel/time/posix-cpu-timers.c"
    ],
    "versions": [
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "67aa823e3e8c229c6d374df79c804f6721cb83b6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "d8bcb28abad857f1415da7656f19b2ada90af04f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "cc35ddbc497311e0b6b9a6a6a4f4d1217d6ab1aa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "12a891c773aeb5823d63dbd0cb2ab931d6c21c9b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "e74443f5db0037c556ef436fa64b88bf4ea08f83",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "6a7ecc25abe6f0fecc6e62a05096987200edbd02",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "ad1cafa1bdaa71da85d71cac053838bbe97852b6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "55e8c8eb2c7b6bf30e99423ccfe7ca032f498f59",
        "lessThan": "920f893f735e92ba3a1cd9256899a186b161928d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/exit.c",
      "kernel/signal.c",
      "kernel/time/posix-cpu-timers.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.262",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.213",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.180",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.147",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.100",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.41",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/e74443f5db0037c556ef436fa64b88bf4ea08f83
git	www.git.kernel.org/stable/c/12a891c773aeb5823d63dbd0cb2ab931d6c21c9b
git	www.git.kernel.org/stable/c/d8bcb28abad857f1415da7656f19b2ada90af04f
git	www.git.kernel.org/stable/c/67aa823e3e8c229c6d374df79c804f6721cb83b6
git	www.git.kernel.org/stable/c/cc35ddbc497311e0b6b9a6a6a4f4d1217d6ab1aa
git	www.git.kernel.org/stable/c/920f893f735e92ba3a1cd9256899a186b161928d
git	www.git.kernel.org/stable/c/ad1cafa1bdaa71da85d71cac053838bbe97852b6
git	www.git.kernel.org/stable/c/6a7ecc25abe6f0fecc6e62a05096987200edbd02
cert-portal	www.cert-portal.siemens.com/productcert/html/ssa-019113.html

08 Sep 2026 09:18Current

5.7Medium risk

Vulners AI Score5.7

CVSS 3.17.8

EPSS0.00277