Not yet scoredPublished Sep 24, 2026

CVE-2026-93281wifi: rtw89: fix HE extended capability length check

Updated under an hour ago (Oct 27, 2026, 1:30 AM ET)

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Exploited in the last 30 days

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].

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 8d540f9d29162e273797bef36686a010724f0f8a before eddf53f1edb0cf7f302bd15cdb47cca90948c205; from 8d540f9d29162e273797bef36686a010724f0f8a before 655c4401c18d735dbaf2cc172ff4f626b3a896a0; from 8d540f9d29162e273797bef36686a010724f0f8a before bddbd1de765bf6ddc0473ad683910eb3a2a92a43; from 8d540f9d29162e273797bef36686a010724f0f8a before f2a01deff7d0d5cc3dcbf2358dac113979303c8e; from 8d540f9d29162e273797bef36686a010724f0f8a before f132fc01b359a0f7d81fe13d769ea4e7c4baa66e; 8d540f9d29162e273797bef36686a010724f0f8a builds before 2aba608a86e9b099c9af2ea70b620552dee2b628	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.