Home

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: b43legacy: enforce bounds check on firmware key index in RX path Same fix as b43: the firmware-controlled key index in b43legacy_rx() can exceed dev->max_nr_keys. The existing B43legacy_WARN_ON is non-enforcing in production builds, allowing an out-of-bounds read of dev->key[]. Make the check enforcing by dropping the frame for invalid indices.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-28 | Updated 2026-06-01 | Assigner Linux

Product status

Default status
unaffected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before a92bd0503df2488f2cc040f329ebccff1c1934cb
affected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before df805c1d085b7a96077f0964185764c87060950d
affected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before 4242db36de99de734cc1f60e5edd86cda7e598c6
affected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before 1baaeb6adecb9691748c0253dab6ddd19a2b4e9e
affected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before 6ee946077607d7783ae6709a899213fc4fe08f35
affected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before 9d1bc155802943e92c57a5fb923d23edfbf0b525
affected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5
affected

75388acd0cd827dc1498043daa7d1c760902cd67 (git) before a035766f970bde2d4298346a31a80685be5c0205
affected

Default status
affected

2.6.24
affected

Any version before 2.6.24
unaffected

5.10.258 (semver)
unaffected

5.15.209 (semver)
unaffected

6.1.175 (semver)
unaffected

6.6.140 (semver)
unaffected

6.12.88 (semver)
unaffected

6.18.30 (semver)
unaffected

7.0.7 (semver)
unaffected

7.1-rc3 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/a92bd0503df2488f2cc040f329ebccff1c1934cb

git.kernel.org/...c/df805c1d085b7a96077f0964185764c87060950d

git.kernel.org/...c/4242db36de99de734cc1f60e5edd86cda7e598c6

git.kernel.org/...c/1baaeb6adecb9691748c0253dab6ddd19a2b4e9e

git.kernel.org/...c/6ee946077607d7783ae6709a899213fc4fe08f35

git.kernel.org/...c/9d1bc155802943e92c57a5fb923d23edfbf0b525

git.kernel.org/...c/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5

git.kernel.org/...c/a035766f970bde2d4298346a31a80685be5c0205

cve.org (CVE-2026-46163)

nvd.nist.gov (CVE-2026-46163)

Download JSON