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CVE-2026-72068 posix-cpu-timers: Use u64 multiplication in update_rlimit_cpu()

🗓️ 15 Aug 2026 05:52:21Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

32-bit Linux kernel CPU timer fires prematurely for RLIMIT_CPU >=5s due to u64 cast missing in update_rlimit_cpu().

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72068
15 Aug 202600:00
cve
debiancve
Debian CVE
CVE-2026-72068
15 Aug 202600:00
debiancve
euvd
EUVD
EUVD-2026-59026
15 Aug 202605:52
euvd
nvd
NVD
CVE-2026-72068
15 Aug 202606:21
nvd
osv
OSV
DEBIAN-CVE-2026-72068
15 Aug 202606:21
osv
ptsecurity
Positive Technologies
PT-2026-72257
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/time/posix-cpu-timers.c"
    ],
    "versions": [
      {
        "version": "858cf3a8c59968e7c5f7c1a1192459a0d52d1ab4",
        "lessThan": "feb5c87c8514444ba891b75a5a3eae57c64edaf8",
        "status": "affected",
        "versionType": "git"
      },
      {
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        "status": "affected",
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      },
      {
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "858cf3a8c59968e7c5f7c1a1192459a0d52d1ab4",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "858cf3a8c59968e7c5f7c1a1192459a0d52d1ab4",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "858cf3a8c59968e7c5f7c1a1192459a0d52d1ab4",
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        "status": "affected",
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      {
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      {
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/time/posix-cpu-timers.c"
    ],
    "versions": [
      {
        "version": "4.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.11",
        "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-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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