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CVE-2026-80949

wifi: brcmfmac: Fix memory leak in brcmf_sdio_read_control()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.270, 5.15.221, 6.1.188, 6.6.157, 6.12.109, and 2 more
None on Exploit-DB, Metasploit or GitHub

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]

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in b1d0a90a844abccdfed9fe141b5d0d654a821485; From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in 86b57fa3172e287bc083113507a965e6d9a46a45; From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in a732c4f36a4cd79f3702391f88ebb56f2e43b0ee; From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in 7704f6ba2a8c492b07a3eaa1e311b4b30d389246; From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in fdb880a7d575efe8b5c7b5b819b96d9251a3937f; From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in 261d7c7610b4b2f476382c88a2d1ae0cc5e07add; From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in ba04715ee672c336272be3ceb43bda9ffc33eb75; From dd43a01c5cdb811adeb09e6a2d2788f8aa0d0969 · fixed in 0d10db8e94fcb23a799789aaa696b4d8f937e207

  • Linux Linux

    3.8

  • KernelLinux

    From 3.8.0 · fixed in 5.10.270; From 5.11.0 · fixed in 5.15.221; From 5.16.0 · fixed in 6.1.188; From 6.2.0 · fixed in 6.6.157; From 6.7.0 · fixed in 6.12.109; From 6.13.0 · fixed in 6.18.50; From 6.19.0 · fixed in 7.2.4

References 8

git.kernel.org