{"api_version":"1","generated_at":"2026-05-28T20:29:58+00:00","cve":"CVE-2026-46163","urls":{"html":"https://cve.report/CVE-2026-46163","api":"https://cve.report/api/cve/CVE-2026-46163.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46163","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46163"},"summary":{"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-28 10:16:31","updated_at":"2026-05-28 13:44:01"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/9d1bc155802943e92c57a5fb923d23edfbf0b525","name":"https://git.kernel.org/stable/c/9d1bc155802943e92c57a5fb923d23edfbf0b525","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6ee946077607d7783ae6709a899213fc4fe08f35","name":"https://git.kernel.org/stable/c/6ee946077607d7783ae6709a899213fc4fe08f35","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5","name":"https://git.kernel.org/stable/c/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1baaeb6adecb9691748c0253dab6ddd19a2b4e9e","name":"https://git.kernel.org/stable/c/1baaeb6adecb9691748c0253dab6ddd19a2b4e9e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a035766f970bde2d4298346a31a80685be5c0205","name":"https://git.kernel.org/stable/c/a035766f970bde2d4298346a31a80685be5c0205","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46163","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46163","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 75388acd0cd827dc1498043daa7d1c760902cd67 1baaeb6adecb9691748c0253dab6ddd19a2b4e9e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 75388acd0cd827dc1498043daa7d1c760902cd67 6ee946077607d7783ae6709a899213fc4fe08f35 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 75388acd0cd827dc1498043daa7d1c760902cd67 9d1bc155802943e92c57a5fb923d23edfbf0b525 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 75388acd0cd827dc1498043daa7d1c760902cd67 fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 75388acd0cd827dc1498043daa7d1c760902cd67 a035766f970bde2d4298346a31a80685be5c0205 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2.6.24","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 2.6.24 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.140 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.88 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.30 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.7 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1-rc3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"1baaeb6adecb9691748c0253dab6ddd19a2b4e9e","status":"affected","version":"75388acd0cd827dc1498043daa7d1c760902cd67","versionType":"git"},{"lessThan":"6ee946077607d7783ae6709a899213fc4fe08f35","status":"affected","version":"75388acd0cd827dc1498043daa7d1c760902cd67","versionType":"git"},{"lessThan":"9d1bc155802943e92c57a5fb923d23edfbf0b525","status":"affected","version":"75388acd0cd827dc1498043daa7d1c760902cd67","versionType":"git"},{"lessThan":"fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5","status":"affected","version":"75388acd0cd827dc1498043daa7d1c760902cd67","versionType":"git"},{"lessThan":"a035766f970bde2d4298346a31a80685be5c0205","status":"affected","version":"75388acd0cd827dc1498043daa7d1c760902cd67","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/broadcom/b43legacy/xmit.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.24"},{"lessThan":"2.6.24","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.140","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.88","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.30","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1-rc3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.140","versionStartIncluding":"2.6.24","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.88","versionStartIncluding":"2.6.24","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.30","versionStartIncluding":"2.6.24","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.7","versionStartIncluding":"2.6.24","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1-rc3","versionStartIncluding":"2.6.24","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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."}],"providerMetadata":{"dateUpdated":"2026-05-28T09:36:18.946Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46163","datePublished":"2026-05-28T09:36:18.946Z","dateReserved":"2026-05-13T15:03:33.102Z","dateUpdated":"2026-05-28T09:36:18.946Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-28 10:16:31","lastModifiedDate":"2026-05-28 13:44:01","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46163","Ordinal":"1","Title":"wifi: b43legacy: enforce bounds check on firmware key index in R","CVE":"CVE-2026-46163","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46163","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"wifi: b43legacy: enforce bounds check on firmware key index in R"}]}}}