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CVE-2026-64513

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Unconditionally recompute CR8 intercept on PPR update The TPR_THRESHOLD field in the VMCS is used by VMX to induce VM exits when the guest's virtual TPR falls under the specified threshold, allowing KVM to inject previously masked interrupts. KVM handles these VM exits in handle_tpr_below_threshold(). Commit eb90f3417a0c ("KVM: vmx: speed up TPR below threshold vmexits") optimized this function by calling apic_updat
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cb575ed73bf60d9b58cc52e29afe5f79f00ce859486333902977b79cbe91d9b3
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/lapic.c","arch/x86/kvm/x86.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"origina…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ab212870a111ce8797b385680ae7f15c6d9b70ed542bcda6aea876076db41413 · sha256:4a5986123aeb1917… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/lapic.c","arch/x86/kvm/x86.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ff9c4c6428883182960cfe5c78928f0896d80ebc","status":"affected","version":"eb90f3417a0cc4880e979ccc84e41890d410ea5b","versionType":"git"},{"lessThan":"8c8e8ac22ee17d52f9eb2bc814bca7fab90fb8df","status":"affected","version":"eb90f3417a0cc4880e979ccc84e41890d410ea5b","versionType":"git"},{"lessThan":"bb365a506b1e6fb050c0fceaad354fe395385ef0","status":"affected","version":"eb90…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ab212870a111ce8797b385680ae7f15c6d9b70ed542bcda6aea876076db41413 · sha256:4a5986123aeb1917… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/lapic.c","arch/x86/kvm/x86.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"origina…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ab212870a111ce8797b385680ae7f15c6d9b70ed542bcda6aea876076db41413 · sha256:4a5986123aeb1917… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/lapic.c","arch/x86/kvm/x86.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ff9c4c6428883182960cfe5c78928f0896d80ebc","status":"affected","version":"eb90f3417a0cc4880e979ccc84e41890d410ea5b","versionType":"git"},{"lessThan":"8c8e8ac22ee17d52f9eb2bc814bca7fab90fb8df","status":"affected","version":"eb90f3417a0cc4880e979ccc84e41890d410ea5b","versionType":"git"},{"lessThan":"bb365a506b1e6fb050c0fceaad354fe395385ef0","status":"affected","version":"eb90…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ab212870a111ce8797b385680ae7f15c6d9b70ed542bcda6aea876076db41413 · sha256:4a5986123aeb1917… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/8c8e8ac22ee17d52f9eb2bc814bca7fab90fb8df"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ab212870a111ce8797b385680ae7f15c6d9b70ed542bcda6aea876076db41413 · sha256:4a5986123aeb1917… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/bb365a506b1e6fb050c0fceaad354fe395385ef0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ab212870a111ce8797b385680ae7f15c6d9b70ed542bcda6aea876076db41413 · sha256:4a5986123aeb1917… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ff9c4c6428883182960cfe5c78928f0896d80ebc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ab212870a111ce8797b385680ae7f15c6d9b70ed542bcda6aea876076db41413 · sha256:4a5986123aeb1917… · /containers/cna/references/0

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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