CVE-2026-93281wifi: rtw89: fix HE extended capability length check
- —Not scoredno CVSS score yet
- 0.19%Exploitation in 30 daysEPSS · top 91% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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].
Timeline
ID reserved
By Linux
- 7 days later
· 7 days later
Published
- 25 days later
· 25 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.19% · top 91% of all CVEs (15 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 8d540f9d29162e273797bef36686a010724f0f8a – < eddf53f1edb0cf7f302bd15cdb47cca90948c205
- affected 8d540f9d29162e273797bef36686a010724f0f8a – < 655c4401c18d735dbaf2cc172ff4f626b3a896a0
- affected 8d540f9d29162e273797bef36686a010724f0f8a – < bddbd1de765bf6ddc0473ad683910eb3a2a92a43
- affected 8d540f9d29162e273797bef36686a010724f0f8a – < f2a01deff7d0d5cc3dcbf2358dac113979303c8e
- affected 8d540f9d29162e273797bef36686a010724f0f8a – < f132fc01b359a0f7d81fe13d769ea4e7c4baa66e
- affected 8d540f9d29162e273797bef36686a010724f0f8a – < 2aba608a86e9b099c9af2ea70b620552dee2b628
- affected 6.1
- unaffected < 6.1
- unaffected 6.1.188 – ≤ 6.1.*
- unaffected 6.6.157 – ≤ 6.6.*
- unaffected 6.12.110 – ≤ 6.12.*
- unaffected 6.18.52 – ≤ 6.18.*
- unaffected 7.2.6 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References6
- https://git.kernel.org/stable/c/eddf53f1edb0cf7f302bd15cdb47cca90948c205 (opens in a new tab)
- https://git.kernel.org/stable/c/655c4401c18d735dbaf2cc172ff4f626b3a896a0 (opens in a new tab)
- https://git.kernel.org/stable/c/bddbd1de765bf6ddc0473ad683910eb3a2a92a43 (opens in a new tab)
- https://git.kernel.org/stable/c/f2a01deff7d0d5cc3dcbf2358dac113979303c8e (opens in a new tab)
- https://git.kernel.org/stable/c/f132fc01b359a0f7d81fe13d769ea4e7c4baa66e (opens in a new tab)
- https://git.kernel.org/stable/c/2aba608a86e9b099c9af2ea70b620552dee2b628 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-86153 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-93281)Record last updated .