CVE-2026-93281wifi: rtw89: fix HE extended capability length check
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
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
- 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.