{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46163","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.102Z","datePublished":"2026-05-28T09:36:18.946Z","dateUpdated":"2026-06-14T17:59:18.913Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:59:18.913Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: b43legacy: enforce bounds check on firmware key index in RX path\n\nSame fix as b43: the firmware-controlled key index in b43legacy_rx()\ncan exceed dev->max_nr_keys. The existing B43legacy_WARN_ON is\nnon-enforcing in production builds, allowing an out-of-bounds read of\ndev->key[].\n\nMake the check enforcing by dropping the frame for invalid indices."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"],"versions":[{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"a92bd0503df2488f2cc040f329ebccff1c1934cb","status":"affected","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"df805c1d085b7a96077f0964185764c87060950d","status":"affected","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"4242db36de99de734cc1f60e5edd86cda7e598c6","status":"affected","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"1baaeb6adecb9691748c0253dab6ddd19a2b4e9e","status":"affected","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"6ee946077607d7783ae6709a899213fc4fe08f35","status":"affected","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"9d1bc155802943e92c57a5fb923d23edfbf0b525","status":"affected","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5","status":"affected","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","lessThan":"a035766f970bde2d4298346a31a80685be5c0205","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"],"versions":[{"version":"2.6.24","status":"affected"},{"version":"0","lessThan":"2.6.24","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.88","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.30","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.7","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.18.30"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"7.0.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/a92bd0503df2488f2cc040f329ebccff1c1934cb"},{"url":"https://git.kernel.org/stable/c/df805c1d085b7a96077f0964185764c87060950d"},{"url":"https://git.kernel.org/stable/c/4242db36de99de734cc1f60e5edd86cda7e598c6"},{"url":"https://git.kernel.org/stable/c/1baaeb6adecb9691748c0253dab6ddd19a2b4e9e"},{"url":"https://git.kernel.org/stable/c/6ee946077607d7783ae6709a899213fc4fe08f35"},{"url":"https://git.kernel.org/stable/c/9d1bc155802943e92c57a5fb923d23edfbf0b525"},{"url":"https://git.kernel.org/stable/c/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5"},{"url":"https://git.kernel.org/stable/c/a035766f970bde2d4298346a31a80685be5c0205"}],"title":"wifi: b43legacy: enforce bounds check on firmware key index in RX path","x_generator":{"engine":"bippy-1.2.0"}}}}