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CVE-2026-80927

🗓️ 11 Sep 2026 19:42:03Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Linux kernel timekeeping race in __do_adjtimex() leaks uninitialized stack data to userspace.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-80927 timekeeping: Check the return value of tk_get_aux_ts64 in __do_adjtimex()
11 Sep 202619:42
cvelist
euvd
EUVD
EUVD-2026-76250
11 Sep 202619:42
euvd
nvd
NVD
CVE-2026-80927
11 Sep 202620:18
nvd
ptsecurity
Positive Technologies
PT-2026-90057
11 Sep 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-80927
11 Sep 202622:42
redhatcve
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.176.18.50
linuxlinux_kernelRange6.19.07.2.4
linuxlinux_kernelRange7.3.07.3-rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "kernel/time/timekeeping.c"
    ],
    "versions": [
      {
        "version": "4eca49d0b621b314ac7c80f363932ec6f6c8abc8",
        "lessThan": "fecf1e37775269ad38c172b468ad4ecc3968aa63",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4eca49d0b621b314ac7c80f363932ec6f6c8abc8",
        "lessThan": "bc59dac50cb45a725f7a50760c7cc72a0964f722",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4eca49d0b621b314ac7c80f363932ec6f6c8abc8",
        "lessThan": "4b61084b11bcecce86d03804ff30f8d7b465593c",
        "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/time/timekeeping.c"
    ],
    "versions": [
      {
        "version": "6.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.50",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.4",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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