CVE-2026-80949

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]

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < b1d0a90a844abccdfed9fe141b5d0d654a821485affected
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < 86b57fa3172e287bc083113507a965e6d9a46a45affected
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < a732c4f36a4cd79f3702391f88ebb56f2e43b0eeaffected
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < 7704f6ba2a8c492b07a3eaa1e311b4b30d389246affected
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < fdb880a7d575efe8b5c7b5b819b96d9251a3937faffected
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < 261d7c7610b4b2f476382c88a2d1ae0cc5e07addaffected
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < ba04715ee672c336272be3ceb43bda9ffc33eb75affected
LinuxLinuxdd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 < 0d10db8e94fcb23a799789aaa696b4d8f937e207affected
LinuxLinux3.8affected
LinuxLinux0 < 3.8unaffected
LinuxLinux5.10.270 <= 5.10.*unaffected
LinuxLinux5.15.221 <= 5.15.*unaffected
LinuxLinux6.1.188 <= 6.1.*unaffected
LinuxLinux6.6.157 <= 6.6.*unaffected
LinuxLinux6.12.109 <= 6.12.*unaffected
LinuxLinux6.18.50 <= 6.18.*unaffected
LinuxLinux7.2.4 <= 7.2.*unaffected
LinuxLinux7.3-rc1 <= *unaffected

Weaknesses

References