CVE-2026-80949wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control()
- —Not scoredno CVSS score yet
- 0.18%Exploitation in 30 daysEPSS · top 93% 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: brcmfmac: Fix memory leak in brcmf_sdio_read_control() The memory allocated for buf is not freed in some of the error paths in brcmf_sdio_read_control(). Fix that by adding vfree() calls. [arend: rework as suggested by Johannes]
Timeline
ID reserved
By Linux
- 16 days later
· 16 days later
Published
- 38 days later
· 38 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)
- 0.18% · top 93% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < b1d0a90a844abccdfed9fe141b5d0d654a821485
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < 86b57fa3172e287bc083113507a965e6d9a46a45
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < a732c4f36a4cd79f3702391f88ebb56f2e43b0ee
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < 7704f6ba2a8c492b07a3eaa1e311b4b30d389246
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < fdb880a7d575efe8b5c7b5b819b96d9251a3937f
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < 261d7c7610b4b2f476382c88a2d1ae0cc5e07add
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < ba04715ee672c336272be3ceb43bda9ffc33eb75
- affected dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 – < 0d10db8e94fcb23a799789aaa696b4d8f937e207
- affected 3.8
- unaffected < 3.8
- unaffected 5.10.270 – ≤ 5.10.*
- unaffected 5.15.221 – ≤ 5.15.*
- unaffected 6.1.188 – ≤ 6.1.*
- unaffected 6.6.157 – ≤ 6.6.*
- unaffected 6.12.109 – ≤ 6.12.*
- unaffected 6.18.50 – ≤ 6.18.*
- unaffected 7.2.4 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References8
- https://git.kernel.org/stable/c/b1d0a90a844abccdfed9fe141b5d0d654a821485 (opens in a new tab)
- https://git.kernel.org/stable/c/86b57fa3172e287bc083113507a965e6d9a46a45 (opens in a new tab)
- https://git.kernel.org/stable/c/a732c4f36a4cd79f3702391f88ebb56f2e43b0ee (opens in a new tab)
- https://git.kernel.org/stable/c/7704f6ba2a8c492b07a3eaa1e311b4b30d389246 (opens in a new tab)
- https://git.kernel.org/stable/c/fdb880a7d575efe8b5c7b5b819b96d9251a3937f (opens in a new tab)
- https://git.kernel.org/stable/c/261d7c7610b4b2f476382c88a2d1ae0cc5e07add (opens in a new tab)
- https://git.kernel.org/stable/c/ba04715ee672c336272be3ceb43bda9ffc33eb75 (opens in a new tab)
- https://git.kernel.org/stable/c/0d10db8e94fcb23a799789aaa696b4d8f937e207 (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-2026-76272 (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-2026-80949)Record last updated .