{"id":"CVE-2026-46163","state":"PUBLISHED","title":"wifi: b43legacy: enforce bounds check on firmware key index in RX path","description":"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.","publishedAt":"2026-05-28T09:36:18.946Z","updatedAt":"2026-10-15T01:20:55.170Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"a92bd0503df2488f2cc040f329ebccff1c1934cb","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"df805c1d085b7a96077f0964185764c87060950d","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"4242db36de99de734cc1f60e5edd86cda7e598c6","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"1baaeb6adecb9691748c0253dab6ddd19a2b4e9e","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"6ee946077607d7783ae6709a899213fc4fe08f35","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"9d1bc155802943e92c57a5fb923d23edfbf0b525","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"a035766f970bde2d4298346a31a80685be5c0205","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"]}],"references":["https://git.kernel.org/stable/c/a92bd0503df2488f2cc040f329ebccff1c1934cb","https://git.kernel.org/stable/c/df805c1d085b7a96077f0964185764c87060950d","https://git.kernel.org/stable/c/4242db36de99de734cc1f60e5edd86cda7e598c6","https://git.kernel.org/stable/c/1baaeb6adecb9691748c0253dab6ddd19a2b4e9e","https://git.kernel.org/stable/c/6ee946077607d7783ae6709a899213fc4fe08f35","https://git.kernel.org/stable/c/9d1bc155802943e92c57a5fb923d23edfbf0b525","https://git.kernel.org/stable/c/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5","https://git.kernel.org/stable/c/a035766f970bde2d4298346a31a80685be5c0205","https://cert-portal.siemens.com/productcert/html/ssa-784472.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46163.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46163","state":"PUBLISHED","datePublished":"2026-05-28T09:36:18.946Z","dateUpdated":"2026-10-15T01:20:55.170Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.102Z"},"containers":{"cna":{"title":"wifi: b43legacy: enforce bounds check on firmware key index in RX path","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"a92bd0503df2488f2cc040f329ebccff1c1934cb","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"df805c1d085b7a96077f0964185764c87060950d","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"4242db36de99de734cc1f60e5edd86cda7e598c6","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"1baaeb6adecb9691748c0253dab6ddd19a2b4e9e","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"6ee946077607d7783ae6709a899213fc4fe08f35","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"9d1bc155802943e92c57a5fb923d23edfbf0b525","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5","versionType":"git"},{"version":"75388acd0cd827dc1498043daa7d1c760902cd67","status":"affected","lessThan":"a035766f970bde2d4298346a31a80685be5c0205","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.30","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.7","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:59:18.913Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"affected":[{"vendor":"Siemens","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}],"providerMetadata":{"shortName":"siemens-SADP","orgId":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e","dateUpdated":"2026-10-15T01:20:55.170Z"},"x_adpType":"supplier"}]}}}