{"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": "2026-06-01T16:19:20.697Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-01T16:19:20.697Z"}, "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-rc3", "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-rc3"}]}]}], "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"}}}}