{"id":"CVE-2026-46122","state":"PUBLISHED","title":"wifi: b43: enforce bounds check on firmware key index in b43_rx()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: b43: enforce bounds check on firmware key index in b43_rx()\n\nThe firmware-controlled key index in b43_rx() can exceed the dev->key[]\narray size (58 entries). The existing B43_WARN_ON is non-enforcing in\nproduction builds, allowing an out-of-bounds read.\n\nMake the B43_WARN_ON check enforcing by dropping the frame when the\nfirmware returns an invalid key index.","publishedAt":"2026-05-28T09:35:37.141Z","updatedAt":"2026-10-15T01:20:39.214Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"135cb49c9a42a02cceeac7b49ec03e267f7ed6d6","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"3157ad40b084a8f3932da2641749ab45e99b933e","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"765709720e6af9a178abc40244a8d1aa39ac4e71","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"c3d7b90dc95020cd9282c4630e402fe224f7644e","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"1e9e55cf66f0fa4799f4d86ef3aaba8e606b5c14","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"d7029879bafdac2006c67553807d122283dc6cbf","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"219ba67e69e49681e48c822d6eaafb5def032f34","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"1f4f78bf8549e6ac4f04fba4176854f3a6e0c332","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43/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/b43/xmit.c"]}],"references":["https://git.kernel.org/stable/c/135cb49c9a42a02cceeac7b49ec03e267f7ed6d6","https://git.kernel.org/stable/c/3157ad40b084a8f3932da2641749ab45e99b933e","https://git.kernel.org/stable/c/765709720e6af9a178abc40244a8d1aa39ac4e71","https://git.kernel.org/stable/c/c3d7b90dc95020cd9282c4630e402fe224f7644e","https://git.kernel.org/stable/c/1e9e55cf66f0fa4799f4d86ef3aaba8e606b5c14","https://git.kernel.org/stable/c/d7029879bafdac2006c67553807d122283dc6cbf","https://git.kernel.org/stable/c/219ba67e69e49681e48c822d6eaafb5def032f34","https://git.kernel.org/stable/c/1f4f78bf8549e6ac4f04fba4176854f3a6e0c332","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-2026-46122.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46122","state":"PUBLISHED","datePublished":"2026-05-28T09:35:37.141Z","dateUpdated":"2026-10-15T01:20:39.214Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.098Z"},"containers":{"cna":{"title":"wifi: b43: enforce bounds check on firmware key index in b43_rx()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: b43: enforce bounds check on firmware key index in b43_rx()\n\nThe firmware-controlled key index in b43_rx() can exceed the dev->key[]\narray size (58 entries). The existing B43_WARN_ON is non-enforcing in\nproduction builds, allowing an out-of-bounds read.\n\nMake the B43_WARN_ON check enforcing by dropping the frame when the\nfirmware returns an invalid key index."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"135cb49c9a42a02cceeac7b49ec03e267f7ed6d6","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"3157ad40b084a8f3932da2641749ab45e99b933e","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"765709720e6af9a178abc40244a8d1aa39ac4e71","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"c3d7b90dc95020cd9282c4630e402fe224f7644e","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"1e9e55cf66f0fa4799f4d86ef3aaba8e606b5c14","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"d7029879bafdac2006c67553807d122283dc6cbf","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"219ba67e69e49681e48c822d6eaafb5def032f34","versionType":"git"},{"version":"e4d6b7951812d98417feb10784e400e253caf633","status":"affected","lessThan":"1f4f78bf8549e6ac4f04fba4176854f3a6e0c332","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/b43/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/b43/xmit.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/135cb49c9a42a02cceeac7b49ec03e267f7ed6d6"},{"url":"https://git.kernel.org/stable/c/3157ad40b084a8f3932da2641749ab45e99b933e"},{"url":"https://git.kernel.org/stable/c/765709720e6af9a178abc40244a8d1aa39ac4e71"},{"url":"https://git.kernel.org/stable/c/c3d7b90dc95020cd9282c4630e402fe224f7644e"},{"url":"https://git.kernel.org/stable/c/1e9e55cf66f0fa4799f4d86ef3aaba8e606b5c14"},{"url":"https://git.kernel.org/stable/c/d7029879bafdac2006c67553807d122283dc6cbf"},{"url":"https://git.kernel.org/stable/c/219ba67e69e49681e48c822d6eaafb5def032f34"},{"url":"https://git.kernel.org/stable/c/1f4f78bf8549e6ac4f04fba4176854f3a6e0c332"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:56:03.781Z"},"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":"2026-10-15T01:20:39.214Z"},"x_adpType":"supplier"}]}}}