CVE-2026-93281

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].

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EPSS — Exploit Prediction

0.0019

Probability of exploitation

0.08%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

https://git.kernel.org/stable/c/2aba608a86e9b099c9af2ea70b620552dee2b628 https://git.kernel.org/stable/c/655c4401c18d735dbaf2cc172ff4f626b3a896a0 https://git.kernel.org/stable/c/bddbd1de765bf6ddc0473ad683910eb3a2a92a43 https://git.kernel.org/stable/c/eddf53f1edb0cf7f302bd15cdb47cca90948c205 https://git.kernel.org/stable/c/f132fc01b359a0f7d81fe13d769ea4e7c4baa66e https://git.kernel.org/stable/c/f2a01deff7d0d5cc3dcbf2358dac113979303c8e

Frequently Asked Questions

What is CVE-2026-93281? +

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix HE extended capability length check rtw89_mac_check_he_obss_narrow_bw_ru_iter() reads extended capability byte 10, but rejects only datalen values below 10. Byte 10 requires at least 11 bytes. Require datalen >= 11 before reading data[10].

How do I check if I'm vulnerable to CVE-2026-93281? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.