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CVE-2026-43363

🗓️ 08 May 2026 14:21:16Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Kernel disables x2apic on resume when x2apic_mode is zero to prevent hangs.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
linuxlinux_kernelRange2.6.285.10.253
OR
linuxlinux_kernelRange5.115.15.203
OR
linuxlinux_kernelRange5.166.1.167
OR
linuxlinux_kernelRange6.26.6.130
OR
linuxlinux_kernelRange6.76.12.78
OR
linuxlinux_kernelRange6.136.18.19
OR
linuxlinux_kernelRange6.196.19.9
OROROR
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kernel/apic/apic.c"
    ],
    "versions": [
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "a6ad6f2e31b524cbb66b2f370bad0cf17d327e6c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "3dd0812a7c764cd8f3b0182441ac22da0a7f3b09",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "965289b120cc68cca886c75219c68b8c15751d73",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "f591938072115bf08730b8530c67fab189cc6308",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "1a85f84214f9d790216547ac6086bf8033cd9e5a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "11712c4eb384098db4cb08792e223c818b908c1a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "1d8440c1e7c49715f937416ac90cf260f1f1712c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6e1cb38a2aef7680975e71f23de187859ee8b158",
        "lessThan": "8cc7dd77a1466f0ec58c03478b2e735a5b289b96",
        "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/apic/apic.c"
    ],
    "versions": [
      {
        "version": "2.6.28",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.28",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.253",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.203",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.167",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.130",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.78",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.19",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.9",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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15 May 2026 16:14Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.5
EPSS0.00013
6