wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control()
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Partial Red Hat: 6 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
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]
Why it matters now
EPSS 0.00177 7th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.10.270, 5.15.221, 6.1.188 +5Red Hat: 6 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, 6.18.50, 7.2.4, 7.3
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 5 | Affected | No fix yet: Fix deferred |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-80949
- 2026-10-03 Alias added: GHSA-5hvg-pfp7-3397
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-11-07 Affected versions changed · Red Hat
References
Other 8
- https://git.kernel.org/stable/c/b1d0a90a844abccdfed9fe141b5d0d654a821485
- https://git.kernel.org/stable/c/86b57fa3172e287bc083113507a965e6d9a46a45
- https://git.kernel.org/stable/c/a732c4f36a4cd79f3702391f88ebb56f2e43b0ee
- https://git.kernel.org/stable/c/7704f6ba2a8c492b07a3eaa1e311b4b30d389246
- https://git.kernel.org/stable/c/fdb880a7d575efe8b5c7b5b819b96d9251a3937f
- https://git.kernel.org/stable/c/261d7c7610b4b2f476382c88a2d1ae0cc5e07add
- https://git.kernel.org/stable/c/ba04715ee672c336272be3ceb43bda9ffc33eb75
- https://git.kernel.org/stable/c/0d10db8e94fcb23a799789aaa696b4d8f937e207
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Sources
- CVE-2026-80949 · CVE Program
- CVE-2026-80949 · NVD
- FIRST EPSS
- GHSA-5hvg-pfp7-3397 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-80949 · Red Hat security data · CC BY 4.0
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