CVE-2026-98339wifi: cfg80211: don't filter by BSS type when removing stale entries
- 8.8HighCVSS base score
- 0.28%Exploitation in 30 daysEPSS · top 79% 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: cfg80211: don't filter by BSS type when removing stale entries When an assoc AP switches to a channel that already has a BSS entry, cfg80211_update_assoc_bss_entry() removes that entry before rehashing the real one, since the two would otherwise collide in the BSS rbtree. The lookup for that entry also required it to match the connection's BSS type, so an entry advertising e.g. the IBSS capability bit was left in place, and the following cfg80211_rehash_bss() then ran into it: WARN_ON(!cmp) Changing the type shouldn't really happen, but can be triggered by a rogue AP/device, so drop the check and remove any entries matching the comparison.
Timeline
ID reserved
By Linux
- 11 days later
· 11 days later
Published
- 13 days later
· 13 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
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Received | 3.1 | High8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.28% · top 79% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < 6ef87a853327434ae1cd9c5a2c27a557fb4047fc
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < 1380ee3a202dbb9f8e8b3c3b87eb410450d57799
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < fb445ec7480da5d2b82bf681e3b4313603722729
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < 65fdb973bd905bc3f5cb045a04c1828f2d2a7e24
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < 64e23a36d8f04811372365b44cfca325f8e0f4bb
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < 6d2fd26185678038ef2ea11dd4d2e6eccbf2dd25
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < 0aa44982125c86b47961be5ac1c82eddab8080f3
- affected 0afd425b1b64251f19b5d8d8b49bf56fefbc643f – < b377e1000d963e7182a987082b4b06580bd7ac84
- affected 5.4
- unaffected < 5.4
- unaffected 5.10.271 – ≤ 5.10.*
- unaffected 5.15.222 – ≤ 5.15.*
- unaffected 6.1.189 – ≤ 6.1.*
- unaffected 6.6.158 – ≤ 6.6.*
- unaffected 6.12.112 – ≤ 6.12.*
- unaffected 6.18.54 – ≤ 6.18.*
- unaffected 7.2.8 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References8
- https://git.kernel.org/stable/c/6ef87a853327434ae1cd9c5a2c27a557fb4047fc (opens in a new tab)
- https://git.kernel.org/stable/c/1380ee3a202dbb9f8e8b3c3b87eb410450d57799 (opens in a new tab)
- https://git.kernel.org/stable/c/fb445ec7480da5d2b82bf681e3b4313603722729 (opens in a new tab)
- https://git.kernel.org/stable/c/65fdb973bd905bc3f5cb045a04c1828f2d2a7e24 (opens in a new tab)
- https://git.kernel.org/stable/c/64e23a36d8f04811372365b44cfca325f8e0f4bb (opens in a new tab)
- https://git.kernel.org/stable/c/6d2fd26185678038ef2ea11dd4d2e6eccbf2dd25 (opens in a new tab)
- https://git.kernel.org/stable/c/0aa44982125c86b47961be5ac1c82eddab8080f3 (opens in a new tab)
- https://git.kernel.org/stable/c/b377e1000d963e7182a987082b4b06580bd7ac84 (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-2026-93324 (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)
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[](https://cveledger.app/cve/CVE-2026-98339)Record last updated .