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CVE-2026-43087

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mcp23s08: Disable all pin interrupts during probe A chip being probed may have the interrupt-on-change feature enabled on some of its pins, for example after a reboot. This can cause the chip to generate interrupts for pins that don't have a registered nested handler, which leads to a kernel crash such as below: [ 7.928897] Unable to handle kernel read from unreadable memory at virtual address 00000000000000ac [
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:88bb669cc66ae131455bccb41fcb3b91ce1fd625be27f8b350ea782385117bbf
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":["drivers/pinctrl/pinctrl-mcp23s08.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0dc60dd0d815c357d1c72f4c43f3086ddc142918a84ce6def4a41bfaf23466bf · sha256:0d49aab7e73f5622… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pinctrl/pinctrl-mcp23s08.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8c3258541a0680a4ebc08b05b2bc5fdad3288a9","status":"affected","version":"f9f4fda15e720686f1b2b436591ab11255e4e85e","versionType":"git"},{"lessThan":"db5b8cecbdf479ad13156af750377e5b43853fab","status":"affected","version":"f9f4fda15e720686f1b2b436591ab11255e4e85e","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0dc60dd0d815c357d1c72f4c43f3086ddc142918a84ce6def4a41bfaf23466bf · sha256:0d49aab7e73f5622… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/pinctrl/pinctrl-mcp23s08.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0dc60dd0d815c357d1c72f4c43f3086ddc142918a84ce6def4a41bfaf23466bf · sha256:0d49aab7e73f5622… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/pinctrl/pinctrl-mcp23s08.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f8c3258541a0680a4ebc08b05b2bc5fdad3288a9","status":"affected","version":"f9f4fda15e720686f1b2b436591ab11255e4e85e","versionType":"git"},{"lessThan":"db5b8cecbdf479ad13156af750377e5b43853fab","status":"affected","version":"f9f4fda15e720686f1b2b436591ab11255e4e85e","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0dc60dd0d815c357d1c72f4c43f3086ddc142918a84ce6def4a41bfaf23466bf · sha256:0d49aab7e73f5622… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/db5b8cecbdf479ad13156af750377e5b43853fab"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0dc60dd0d815c357d1c72f4c43f3086ddc142918a84ce6def4a41bfaf23466bf · sha256:0d49aab7e73f5622… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/f8c3258541a0680a4ebc08b05b2bc5fdad3288a9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0dc60dd0d815c357d1c72f4c43f3086ddc142918a84ce6def4a41bfaf23466bf · sha256:0d49aab7e73f5622… · /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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