CVE-2026-80949

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]

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EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

References

Other References

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

Frequently Asked Questions

What is CVE-2026-80949? +

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]

How do I check if I'm vulnerable to CVE-2026-80949? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.