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CVE-2026-80949

wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control()

N/A
Published: September 11, 2026 at 07:42 PM UTC
Updated: October 19, 2026 at 09:17 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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]

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
3.8dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969
Vendor states this is fixed in 0d10db8e94fcb23a799789aaa696b4d8f937e207 (fixed)
Vendor states this is fixed in 261d7c7610b4b2f476382c88a2d1ae0cc5e07add (fixed)
Vendor states this is fixed in 7704f6ba2a8c492b07a3eaa1e311b4b30d389246 (fixed)
Vendor states this is fixed in 86b57fa3172e287bc083113507a965e6d9a46a45 (fixed)
Vendor states this is fixed in a732c4f36a4cd79f3702391f88ebb56f2e43b0ee (fixed)
Vendor states this is fixed in b1d0a90a844abccdfed9fe141b5d0d654a821485 (fixed)
Vendor states this is fixed in ba04715ee672c336272be3ceb43bda9ffc33eb75 (fixed)
Vendor states this is fixed in fdb880a7d575efe8b5c7b5b819b96d9251a3937f (fixed)
Vendor states this is fixed in 3.8 (unaffected)
Vendor states this is fixed in 5.10.270 (unaffected)
Vendor states this is fixed in 5.15.221 (unaffected)
Vendor states this is fixed in 6.1.188 (unaffected)
Vendor states this is fixed in 6.12.109 (unaffected)
Vendor states this is fixed in 6.18.50 (unaffected)
Vendor states this is fixed in 6.6.157 (unaffected)
Vendor states this is fixed in 7.2.4 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (8)

Source: cverecord
https://git.kernel.org/stable/c/fdb880a7d575efe8b5c7b5b819b96d9251a3937f
Source: cverecord
https://git.kernel.org/stable/c/261d7c7610b4b2f476382c88a2d1ae0cc5e07add
Source: cverecord
https://git.kernel.org/stable/c/ba04715ee672c336272be3ceb43bda9ffc33eb75
Source: cverecord
https://git.kernel.org/stable/c/0d10db8e94fcb23a799789aaa696b4d8f937e207
Source: cverecord
https://git.kernel.org/stable/c/b1d0a90a844abccdfed9fe141b5d0d654a821485
Source: cverecord
https://git.kernel.org/stable/c/86b57fa3172e287bc083113507a965e6d9a46a45
Source: cverecord
https://git.kernel.org/stable/c/a732c4f36a4cd79f3702391f88ebb56f2e43b0ee
Source: cverecord
https://git.kernel.org/stable/c/7704f6ba2a8c492b07a3eaa1e311b4b30d389246

Quick Info

StatusRECEIVED

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