{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43110","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.986Z","datePublished":"2026-05-06T07:40:37.250Z","dateUpdated":"2026-05-11T22:17:55.761Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:17:55.761Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: validate bsscfg indices in IF events\n\nbrcmf_fweh_handle_if_event() validates the firmware-provided interface\nindex before it touches drvr->iflist[], but it still uses the raw\nbsscfgidx field as an array index without a matching range check.\n\nReject IF events whose bsscfg index does not fit in drvr->iflist[]\nbefore indexing the interface array.\n\n[add missing wifi prefix]"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH"}}],"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/brcm80211/brcmfmac/fweh.c"],"versions":[{"version":"2880b86859967af710c72f7d34fb421a86a71e22","lessThan":"3ec7437e9d11374105c2c4e47ae671537729d7e6","status":"affected","versionType":"git"},{"version":"2880b86859967af710c72f7d34fb421a86a71e22","lessThan":"9fca68c2512a362cad258e4df12a307bb2ee4b8e","status":"affected","versionType":"git"},{"version":"2880b86859967af710c72f7d34fb421a86a71e22","lessThan":"1ae1e1caa428844e481231f6dbe9b4f475f1d52d","status":"affected","versionType":"git"},{"version":"2880b86859967af710c72f7d34fb421a86a71e22","lessThan":"b427c2b05222db36d32ee141609de6128e9091bb","status":"affected","versionType":"git"},{"version":"2880b86859967af710c72f7d34fb421a86a71e22","lessThan":"304950a467d83678bd0b0f46331882e2ac23b12d","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/brcm80211/brcmfmac/fweh.c"],"versions":[{"version":"3.9","status":"affected"},{"version":"0","lessThan":"3.9","status":"unaffected","versionType":"semver"},{"version":"6.6.136","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.83","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.24","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.14","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"3.9","versionEndExcluding":"6.6.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.12.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.9","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3ec7437e9d11374105c2c4e47ae671537729d7e6"},{"url":"https://git.kernel.org/stable/c/9fca68c2512a362cad258e4df12a307bb2ee4b8e"},{"url":"https://git.kernel.org/stable/c/1ae1e1caa428844e481231f6dbe9b4f475f1d52d"},{"url":"https://git.kernel.org/stable/c/b427c2b05222db36d32ee141609de6128e9091bb"},{"url":"https://git.kernel.org/stable/c/304950a467d83678bd0b0f46331882e2ac23b12d"}],"title":"wifi: brcmfmac: validate bsscfg indices in IF events","x_generator":{"engine":"bippy-1.2.0"}}}}