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CVE-2026-46290

In the Linux kernel, the following vulnerability has been resolved: x86/efi: Fix graceful fault handling after FPU softirq changes Since commit d02198550423 ("x86/fpu: Improve crypto performance by making kernel-mode FPU reliably usable in softirqs"), kernel_fpu_begin() calls fpregs_lock() which uses local_bh_disable() instead of the previous preempt_disable(). This sets SOFTIRQ_OFFSET in preempt_count during the entire EFI runtime service call, causing in_interrupt() to return true in normal
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d876461ef396a033e7c1d270d503c71b16d0197258493cd6f5a6686c70a58fc0
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/platform/efi/quirks.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":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fce314fa08bde52ad3499bc6804424fbff47843d894c1ba05d0b4cd7855a38e · sha256:26a159ecb2171c02… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/platform/efi/quirks.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22b365ba1af3d8c6036b8e5112fffe80998b85a0","status":"affected","version":"d02198550423a0b695e7a24ec77153209ad45b09","versionType":"git"},{"lessThan":"db155b86d1523e85941f61efd7d7ffb594cc9a29","status":"affected","version":"d02198550423a0b695e7a24ec77153209ad45b09","versionType":"git"},{"lessThan":"088f65e206087bf903743bd18417261d7a4c9644","status":"affected","version":"d02198550423a0b…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fce314fa08bde52ad3499bc6804424fbff47843d894c1ba05d0b4cd7855a38e · sha256:26a159ecb2171c02… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/platform/efi/quirks.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":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fce314fa08bde52ad3499bc6804424fbff47843d894c1ba05d0b4cd7855a38e · sha256:26a159ecb2171c02… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/platform/efi/quirks.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22b365ba1af3d8c6036b8e5112fffe80998b85a0","status":"affected","version":"d02198550423a0b695e7a24ec77153209ad45b09","versionType":"git"},{"lessThan":"db155b86d1523e85941f61efd7d7ffb594cc9a29","status":"affected","version":"d02198550423a0b695e7a24ec77153209ad45b09","versionType":"git"},{"lessThan":"088f65e206087bf903743bd18417261d7a4c9644","status":"affected","version":"d02198550423a0b…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fce314fa08bde52ad3499bc6804424fbff47843d894c1ba05d0b4cd7855a38e · sha256:26a159ecb2171c02… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/088f65e206087bf903743bd18417261d7a4c9644"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fce314fa08bde52ad3499bc6804424fbff47843d894c1ba05d0b4cd7855a38e · sha256:26a159ecb2171c02… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/22b365ba1af3d8c6036b8e5112fffe80998b85a0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fce314fa08bde52ad3499bc6804424fbff47843d894c1ba05d0b4cd7855a38e · sha256:26a159ecb2171c02… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/db155b86d1523e85941f61efd7d7ffb594cc9a29"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fce314fa08bde52ad3499bc6804424fbff47843d894c1ba05d0b4cd7855a38e · sha256:26a159ecb2171c02… · /containers/cna/references/1

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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