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CVE-2026-93281

wifi: rtw89: fix HE extended capability length check

N/A
Published: September 24, 2026 at 03:52 PM UTC
Updated: October 19, 2026 at 10:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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].

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
6.18d540f9d29162e273797bef36686a010724f0f8a
Vendor states this is fixed in 2aba608a86e9b099c9af2ea70b620552dee2b628 (fixed)
Vendor states this is fixed in 655c4401c18d735dbaf2cc172ff4f626b3a896a0 (fixed)
Vendor states this is fixed in bddbd1de765bf6ddc0473ad683910eb3a2a92a43 (fixed)
Vendor states this is fixed in eddf53f1edb0cf7f302bd15cdb47cca90948c205 (fixed)
Vendor states this is fixed in f132fc01b359a0f7d81fe13d769ea4e7c4baa66e (fixed)
Vendor states this is fixed in f2a01deff7d0d5cc3dcbf2358dac113979303c8e (fixed)
Vendor states this is fixed in 6.1 (unaffected)
Vendor states this is fixed in 6.1.188 (unaffected)
Vendor states this is fixed in 6.12.110 (unaffected)
Vendor states this is fixed in 6.18.52 (unaffected)
Vendor states this is fixed in 6.6.157 (unaffected)
Vendor states this is fixed in 7.2.6 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (6)

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

Quick Info

StatusRECEIVED

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