CVE-2026-93791wifi: iwlwifi: mvm: add a check on the tid coming from the firmware
- —Not scoredno CVSS score yet
- 0.17%Exploitation in 30 daysEPSS · top 94% 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: iwlwifi: mvm: add a check on the tid coming from the firmware ba_notif->tid is a firmware-controlled u8 that is used directly as an array index into tid_data[] without any validation. Add a bounds check against IWL_MAX_TID_COUNT before dereferencing the array.
Timeline
ID reserved
By Linux
- 6 days later
· 6 days later
Published
- 36 days later
· 36 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)
- 0.17% · top 94% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected c46e7724bfe9bbff17bc468903a757248b99e4ed – < 03084a2c61838ce6a12f082025cbf9ed869f0492
- affected c46e7724bfe9bbff17bc468903a757248b99e4ed – < 0f690fd3b5535d110898b99ae6214f29c9060941
- affected c46e7724bfe9bbff17bc468903a757248b99e4ed – < 0b5325a0771674f1d65618de7db3df9d49186a12
- affected c46e7724bfe9bbff17bc468903a757248b99e4ed – < 59f64c2839022f41a7867b38f9e38c185ff39283
- affected c46e7724bfe9bbff17bc468903a757248b99e4ed – < 0e4c0d83267261cf67ec9690856edf4a56bb7dfc
- affected 4.9
- unaffected < 4.9
- unaffected 6.1.191 – ≤ 6.1.*
- unaffected 6.6.158 – ≤ 6.6.*
- unaffected 6.12.111 – ≤ 6.12.*
- unaffected 6.18.53 – ≤ 6.18.*
- unaffected 7.2 – ≤ *
References
References5
- https://git.kernel.org/stable/c/03084a2c61838ce6a12f082025cbf9ed869f0492 (opens in a new tab)
- https://git.kernel.org/stable/c/0f690fd3b5535d110898b99ae6214f29c9060941 (opens in a new tab)
- https://git.kernel.org/stable/c/0b5325a0771674f1d65618de7db3df9d49186a12 (opens in a new tab)
- https://git.kernel.org/stable/c/59f64c2839022f41a7867b38f9e38c185ff39283 (opens in a new tab)
- https://git.kernel.org/stable/c/0e4c0d83267261cf67ec9690856edf4a56bb7dfc (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-2026-86178 (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-2026-93791)Record last updated .