CVE-2026-80745
Linux kernel fp9931 regulator OOB table bug causing kernel memory corruption/crash
Is CVE-2026-80745 being exploited?
Not confirmed. CVE-2026-80745 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.12% probability of exploitation in the next 30 days.
How severe is CVE-2026-80745?
CVE-2026-80745 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-80745?
Yes. A fix has been recorded for CVE-2026-80745. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-80745 affect?
CVE-2026-80745 affects Linux kernel (fp9931 regulator driver), Devices using FP9931 PMIC, Embedded Linux distributions and vendor kernels. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-80745?
Apply upstream/vendor kernel patch and update affected systems immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Out-of-bounds table access in fp9931 regulator can corrupt kernel memory, causing crashes or enabling local privilege escalation.
Patch when possible
- affected>= 12d821bd13d42e6de3ecb1c13918b1f06a3ee213 and < 92a9594053831bf4c5886519688e155912befaee
- affected>= 12d821bd13d42e6de3ecb1c13918b1f06a3ee213 and < 66694b5f90f3876fccb87bbd02b453cdc33b3ae4
- affected6.19
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.