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CVE-2026-80727

🗓️ 03 Sep 2026 08:21:46Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

Linux kernel x86 MCE uses uninitialized timer during CMCI discovery causing ODEBUG crashes.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-80727 x86/mce: Set up the polling timer before CMCI discovery
3 Sep 202608:21
cvelist
euvd
EUVD
EUVD-2026-70331
3 Sep 202608:21
euvd
nvd
NVD
CVE-2026-80727
3 Sep 202613:06
nvd
ptsecurity
Positive Technologies
PT-2026-84925
3 Sep 202600:00
ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.86.12.105
linuxlinux_kernelRange6.13.06.18.45
linuxlinux_kernelRange6.19.07.1.9
linuxlinux_kernelRange7.2.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/cpu/mce/core.c"
    ],
    "versions": [
      {
        "version": "1f68ce2a027250aeeb1756391110cdc4dc97c797",
        "lessThan": "17ab68d0cf6a41bff61b1e13c6141d9e463736ae",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1f68ce2a027250aeeb1756391110cdc4dc97c797",
        "lessThan": "e708fc1566ebd4a2d3f2546e6310d64d362db80d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1f68ce2a027250aeeb1756391110cdc4dc97c797",
        "lessThan": "4f4cba3947d2f0eceb32727e198ca2c149a653a9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1f68ce2a027250aeeb1756391110cdc4dc97c797",
        "lessThan": "a213dfaa2596c1c0dc4dae91c14fbfa499c03223",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/cpu/mce/core.c"
    ],
    "versions": [
      {
        "version": "6.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.105",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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03 Sep 2026 13:06Current
5.8Medium risk
Vulners AI Score5.8
4