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CVE-2026-23107

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Allocate SSVE storage when restoring ZA The code to restore a ZA context doesn't attempt to allocate the task's sve_state before setting TIF_SME. Consequently, restoring a ZA context can place a task into an invalid state where TIF_SME is set but the task's sve_state is NULL. In legitimate but uncommon cases where the ZA signal context was NOT created by the kernel in the context of the same task (e.g. i
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ed1756a956396c016e54316efa9bb07c23e1eb199606f64caf95c30abd8344a8
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/arm64/kernel/signal.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.19"},{"lessThan":"5.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.162","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.122","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.68","versionType":"semver"},{"lessT…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/arm64/kernel/signal.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c5a5b150992ebab779c1ce54f54676786e47e94c","status":"affected","version":"39782210eb7e87634d96cacb6ece370bc59d74ba","versionType":"git"},{"lessThan":"19b2c3f3ca1b4b6dccd2a42aca2692d8c79c4214","status":"affected","version":"39782210eb7e87634d96cacb6ece370bc59d74ba","versionType":"git"},{"lessThan":"0af233d66eff90fb8f3e0fc09f2316bba0b72bb9","status":"affected","version":"39782210eb7e87634d9…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["arch/arm64/kernel/signal.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.19"},{"lessThan":"5.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.162","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.122","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.68","versionType":"semver"},{"lessT…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/arm64/kernel/signal.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c5a5b150992ebab779c1ce54f54676786e47e94c","status":"affected","version":"39782210eb7e87634d96cacb6ece370bc59d74ba","versionType":"git"},{"lessThan":"19b2c3f3ca1b4b6dccd2a42aca2692d8c79c4214","status":"affected","version":"39782210eb7e87634d96cacb6ece370bc59d74ba","versionType":"git"},{"lessThan":"0af233d66eff90fb8f3e0fc09f2316bba0b72bb9","status":"affected","version":"39782210eb7e87634d9…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/affected/0

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/0af233d66eff90fb8f3e0fc09f2316bba0b72bb9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/19b2c3f3ca1b4b6dccd2a42aca2692d8c79c4214"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/70f7f54566afc23f2c71bf1411af81f5d8009e0f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c5a5b150992ebab779c1ce54f54676786e47e94c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ea8ccfddbce0bee6310da4f3fc560ad520f5e6b4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:61f26d07a15d7e1a61786df6fc86bb9d7dcd30525647e8774fda1e3782bff3ba · sha256:35ec150ae85ad9b8… · /containers/cna/references/4

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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