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CVE-2026-98188

Unknown

Last modified

CVE-2026-98188 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate curve data length in the calibration curve converters p54_convert_rev0() and p54_convert_rev1() read calibration curve data from the device-supplied EEPROM entry using channel and points-per-channel counts taken verbatim from that same entry, so an entry that declares more data than it carries drives an out-of-bounds read past the EEPROM buffer (verified with a KASAN reproducer of the conversion loop). The sibling converters p54_convert_output_limits() and p54_convert_db() already validate their counts against the entry length; this path was missed. Reject the entry when the counts do not fit in the entry data..

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate curve data length in the calibration curve converters p54_convert_rev0() and p54_convert_rev1() read calibration curve data from the device-supplied EEPROM entry using channel and points-per-channel counts taken verbatim from that same entry, so an entry that declares more data than it carries drives an out-of-bounds read past the EEPROM buffer (verified with a KASAN reproducer of the conversion loop). The sibling converters p54_convert_output_limits() and p54_convert_db() already validate their counts against the entry length; this path was missed. Reject the entry when the counts do not fit in the entry data.

Affected Software

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

VendorProductVersions
LinuxLinux>= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 81084c967c18233b19799a0c3352ebac043f31e2; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 41cdf14bf4b52fbe4673a172c2a6ad756cb08111; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 03d313e3dfb49a44c10a5c423452967694fb85e2; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 42f4b03971f9d6329c4cbd1ea5155210d16ab65b; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 4d767d6f8753db22bfc14c2724bd9cee677ffb03; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < 3bdcc4d61212b001b8752d80036509b4974ce16c; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < b0c906107150b16925ee66da09127259864c7f36; >= eff1a59c48e3c6a006eb4fe5f2e405a996f2259d, < ce858fa6b8a214dee5adb82358885fa024cdd887
LinuxLinux2.6.24

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98188?
In the Linux kernel, the following vulnerability has been resolved: wifi: p54: validate curve data length in the calibration curve converters p54_convert_rev0() and p54_convert_rev1() read calibration curve data from the device-supplied EEPROM entry using channel and points-per-channel counts taken verbatim from that same entry, so an entry that declares more data than it carries drives an out-of-bounds read past the EEPROM buffer (verified with a KASAN reproducer of the conversion loop). The sibling converters p54_convert_output_limits() and p54_convert_db() already validate their counts against the entry length; this path was missed. Reject the entry when the counts do not fit in the entry data.
How severe is CVE-2026-98188?
Severity scoring for CVE-2026-98188 is pending analysis.
How do I fix CVE-2026-98188?
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