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CVE-2026-64229

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Disable broadcast TLB flush when PCID is disabled Booting with "nopcid" clears X86_FEATURE_PCID and keeps CR4.PCIDE from being set to one. On AMD CPUs that support INVLPGB, broadcast TLB flushing remains enabled. There are two checks that decide whether the global ASID code runs, mm_global_asid() and consider_global_asid(), that key off of the X86_FEATURE_INVLPGB feature. Once an mm becomes active on more than three C
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:83c53535800faa8bcec3ea0c495184f9f43e96ef6a58b135bc50903c1b0f3028
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":"unaffected","product":"Linux","programFiles":["arch/x86/kernel/cpu/cpuid-deps.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fed725cace3ab1c4f7f8182e35029a603d953187","status":"affected","version":"4afeb0ed1753ebcad93ee3b45427ce85e9c8ec40","versionType":"git"},{"lessThan":"d2d6d21286719b454d5d87a8758c23d2377d88a2","status":"affected","version":"4afeb0ed1753ebcad93ee3b45427ce85e9c8ec40","versionType":"git"},{"lessThan":"44126343d58c68adaa8343fbf1c07dd20078c35e","status":"affected","version":"4afeb0ed1753e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2589b457460726e248674373e8ecee7e9f18cf0179add7a5cc9dd459f0500342 · sha256:e95b794b1247a42c… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kernel/cpu/cpuid-deps.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2589b457460726e248674373e8ecee7e9f18cf0179add7a5cc9dd459f0500342 · sha256:e95b794b1247a42c… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kernel/cpu/cpuid-deps.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"fed725cace3ab1c4f7f8182e35029a603d953187","status":"affected","version":"4afeb0ed1753ebcad93ee3b45427ce85e9c8ec40","versionType":"git"},{"lessThan":"d2d6d21286719b454d5d87a8758c23d2377d88a2","status":"affected","version":"4afeb0ed1753ebcad93ee3b45427ce85e9c8ec40","versionType":"git"},{"lessThan":"44126343d58c68adaa8343fbf1c07dd20078c35e","status":"affected","version":"4afeb0ed1753e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2589b457460726e248674373e8ecee7e9f18cf0179add7a5cc9dd459f0500342 · sha256:e95b794b1247a42c… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kernel/cpu/cpuid-deps.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2589b457460726e248674373e8ecee7e9f18cf0179add7a5cc9dd459f0500342 · sha256:e95b794b1247a42c… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/44126343d58c68adaa8343fbf1c07dd20078c35e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2589b457460726e248674373e8ecee7e9f18cf0179add7a5cc9dd459f0500342 · sha256:e95b794b1247a42c… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d2d6d21286719b454d5d87a8758c23d2377d88a2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2589b457460726e248674373e8ecee7e9f18cf0179add7a5cc9dd459f0500342 · sha256:e95b794b1247a42c… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/fed725cace3ab1c4f7f8182e35029a603d953187"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2589b457460726e248674373e8ecee7e9f18cf0179add7a5cc9dd459f0500342 · sha256:e95b794b1247a42c… · /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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