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CVE-2026-64513 KVM: x86: Unconditionally recompute CR8 intercept on PPR update

🗓️ 25 Jul 2026 08:52:05Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

KVM x86 fix updates the control register eight intercept on priority region changes to prevent stale threshold checks before VM entry.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-64513
25 Jul 202608:52
attackerkb
cve
CVE
CVE-2026-64513
25 Jul 202608:52
cve
debiancve
Debian CVE
CVE-2026-64513
25 Jul 202608:52
debiancve
euvd
EUVD
EUVD-2026-48857
25 Jul 202608:52
euvd
nvd
NVD
CVE-2026-64513
25 Jul 202610:17
nvd
osv
OSV
BELL-CVE-2026-64513
29 Jul 202606:05
osv
osv
OSV
DEBIAN-CVE-2026-64513
25 Jul 202610:17
osv
osv
OSV
OPENSUSE-SU-2026:11476-1 kernel-devel-7.1.7-1.1 on GA media
9 Aug 202600:00
osv
osv
OSV
ROOT-OS-UBUNTU-2204-CVE-2026-64513 CVE-2026-64513 in linux - Patched by Root
12 Aug 202621:55
osv
osv
OSV
UBUNTU-CVE-2026-64513
25 Jul 202610:17
osv
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "arch/x86/kvm/lapic.c",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "eb90f3417a0cc4880e979ccc84e41890d410ea5b",
        "lessThan": "ff9c4c6428883182960cfe5c78928f0896d80ebc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb90f3417a0cc4880e979ccc84e41890d410ea5b",
        "lessThan": "8c8e8ac22ee17d52f9eb2bc814bca7fab90fb8df",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "eb90f3417a0cc4880e979ccc84e41890d410ea5b",
        "lessThan": "bb365a506b1e6fb050c0fceaad354fe395385ef0",
        "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/kvm/lapic.c",
      "arch/x86/kvm/x86.c"
    ],
    "versions": [
      {
        "version": "4.11",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.11",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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