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CVE-2026-99100

UnknownEPSS 0.17%

Last modified

CVE-2026-99100 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate firmware record lengths The p54 firmware parser accesses component ID and component version records without checking that their lengths cover the fields being read. A malformed record can therefore make the parser read past the record. Validate the component ID and component version record lengths before accessing their data. The descriptor record is also checked against the shortest descriptor length found in the supported firmware images. Reject descriptor values that underflow the RX offset or produce an empty RX range before updating the driver state.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate firmware record lengths The p54 firmware parser accesses component ID and component version records without checking that their lengths cover the fields being read. A malformed record can therefore make the parser read past the record. Validate the component ID and component version record lengths before accessing their data. The descriptor record is also checked against the shortest descriptor length found in the supported firmware images. Reject descriptor values that underflow the RX offset or produce an empty RX range before updating the driver state.

Metrics

EPSS Probability
0.17%

5.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 87a9aba92485889d510052e474999a6ec00b888c; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < d5c28994b2c1440480fccd0b6c2ce72c23bb9fff; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 9af312d3607c8f9b5166a19cbf40cee351cc3a1d; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < dda5245afc3470d70406764e3d9f5508e534920a; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < f4c6fcc2ad462ffd76d6e6f909bcd6ae0391f5b7; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < f641066b0ddcd1b0cf007c0d04f9c966f6e888ae; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 8c4f962f368d5e17481f3c2c5a43028953e137a5; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < db7b86bd97b380ece8fa39cfdd7502a9fd35e56f
LinuxLinux2.6.24

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-99100?
In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate firmware record lengths The p54 firmware parser accesses component ID and component version records without checking that their lengths cover the fields being read. A malformed record can therefore make the parser read past the record. Validate the component ID and component version record lengths before accessing their data. The descriptor record is also checked against the shortest descriptor length found in the supported firmware images. Reject descriptor values that underflow the RX offset or produce an empty RX range before updating the driver state.
How severe is CVE-2026-99100?
Severity scoring for CVE-2026-99100 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-99100?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST