CVE-2026-93281

wifi: rtw89: fix HE extended capability length check

State: Published
Severity: Not scored
Published: Sep 24, 2026
Updated: Oct 19, 2026
Reserved: Sep 17, 2026

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].

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	8d540f9d29162e273797bef36686a010724f0f8a to before eddf53f1edb0cf7f302bd15cdb47cca90948c205Affected 8d540f9d29162e273797bef36686a010724f0f8a to before 655c4401c18d735dbaf2cc172ff4f626b3a896a0Affected 8d540f9d29162e273797bef36686a010724f0f8a to before bddbd1de765bf6ddc0473ad683910eb3a2a92a43Affected 8d540f9d29162e273797bef36686a010724f0f8a to before f2a01deff7d0d5cc3dcbf2358dac113979303c8eAffected 8d540f9d29162e273797bef36686a010724f0f8a to before f132fc01b359a0f7d81fe13d769ea4e7c4baa66eAffected 8d540f9d29162e273797bef36686a010724f0f8a to before 2aba608a86e9b099c9af2ea70b620552dee2b628Affected
LinuxLinux	6.1Affected before 6.1Not affected 6.1.188 through 6.1.Not affected 6.6.157 through 6.6.Not affected 6.12.110 through 6.12.Not affected 6.18.52 through 6.18.Not affected 7.2.6 through 7.2.*Not affected 7.3 and laterNot affected

Product

Versions

LinuxLinux

8d540f9d29162e273797bef36686a010724f0f8a to before eddf53f1edb0cf7f302bd15cdb47cca90948c205Affected
8d540f9d29162e273797bef36686a010724f0f8a to before 655c4401c18d735dbaf2cc172ff4f626b3a896a0Affected
8d540f9d29162e273797bef36686a010724f0f8a to before bddbd1de765bf6ddc0473ad683910eb3a2a92a43Affected
8d540f9d29162e273797bef36686a010724f0f8a to before f2a01deff7d0d5cc3dcbf2358dac113979303c8eAffected
8d540f9d29162e273797bef36686a010724f0f8a to before f132fc01b359a0f7d81fe13d769ea4e7c4baa66eAffected
8d540f9d29162e273797bef36686a010724f0f8a to before 2aba608a86e9b099c9af2ea70b620552dee2b628Affected

LinuxLinux

6.1Affected
before 6.1Not affected
6.1.188 through 6.1.*Not affected
6.6.157 through 6.6.*Not affected
6.12.110 through 6.12.*Not affected
6.18.52 through 6.18.*Not affected
7.2.6 through 7.2.*Not affected
7.3 and laterNot affected

References

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