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CVE-2026-64172

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Disable AVIC IPI virtualization on Hygon Family 18h (erratum #1235) Hygon Family 18h CPUs are derived from AMD Family 17h (Zen1) silicon and share the same erratum #1235: hardware may read a stale IsRunning=1 bit during ICR write emulation and silently fail to generate an AVIC_IPI_FAILURE_TARGET_NOT_RUNNING VM-Exit on the sending vCPU. The absence of the VM-Exit causes KVM to miss the required wakeup of blocking tar
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bdd291f27b157cca816a6a968211281b1827548df642a3b51ffff6271f159827
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/svm/avic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/svm/avic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"94ade38f317ea086a181db0e6b69c574b3b70a5e","status":"affected","version":"8de4a1c8164e5b2e40d1df764840a31de983f40b","versionType":"git"},{"lessThan":"9560e6fee887a9594a89fa265b5b9c79b1591803","status":"affected","version":"8de4a1c8164e5b2e40d1df764840a31de983f40b","versionType":"git"},{"lessThan":"9a12fa5213cfc391e0eed63902d3be98f0913765","status":"affected","version":"8de4a1c8164e5b2e40d1df…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/svm/avic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/svm/avic.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"94ade38f317ea086a181db0e6b69c574b3b70a5e","status":"affected","version":"8de4a1c8164e5b2e40d1df764840a31de983f40b","versionType":"git"},{"lessThan":"9560e6fee887a9594a89fa265b5b9c79b1591803","status":"affected","version":"8de4a1c8164e5b2e40d1df764840a31de983f40b","versionType":"git"},{"lessThan":"9a12fa5213cfc391e0eed63902d3be98f0913765","status":"affected","version":"8de4a1c8164e5b2e40d1df…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/94ade38f317ea086a181db0e6b69c574b3b70a5e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/9560e6fee887a9594a89fa265b5b9c79b1591803"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/9a12fa5213cfc391e0eed63902d3be98f0913765"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fb26373a147ed1791076ba4d78887f7e5a86aeccb0fa59af06657e850defd96c · sha256:48865d51532561cd… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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