{"id":"CVE-2026-43110","summary":"wifi: brcmfmac: validate bsscfg indices in IF events","details":"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-\u003eiflist[], 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-\u003eiflist[]\nbefore indexing the interface array.\n\n[add missing wifi prefix]","modified":"2026-09-15T18:26:49.441740374Z","published":"2026-05-06T07:40:37.250Z","related":["ALSA-2026:21556","ALSA-2026:21557","ALSA-2026:26427","ALSA-2026:26428","SUSE-SU-2026:2068-1","SUSE-SU-2026:2111-1","SUSE-SU-2026:21876-1","SUSE-SU-2026:21877-1","SUSE-SU-2026:21916-1","SUSE-SU-2026:21919-1","SUSE-SU-2026:2195-1","SUSE-SU-2026:2202-1","SUSE-SU-2026:2215-1","SUSE-SU-2026:2216-1","SUSE-SU-2026:2217-1","SUSE-SU-2026:2238-1","SUSE-SU-2026:23066-1","SUSE-SU-2026:23068-1","SUSE-SU-2026:23221-1","SUSE-SU-2026:23231-1","SUSE-SU-2026:23237-1","SUSE-SU-2026:23261-1","SUSE-SU-2026:23262-1","SUSE-SU-2026:23263-1","SUSE-SU-2026:23264-1","SUSE-SU-2026:23265-1","SUSE-SU-2026:23266-1","SUSE-SU-2026:23267-1","SUSE-SU-2026:23268-1","SUSE-SU-2026:23269-1","SUSE-SU-2026:23270-1","SUSE-SU-2026:23271-1","SUSE-SU-2026:23272-1","SUSE-SU-2026:23282-1","SUSE-SU-2026:23283-1","SUSE-SU-2026:23284-1","SUSE-SU-2026:23285-1","SUSE-SU-2026:23286-1","SUSE-SU-2026:23287-1","SUSE-SU-2026:23288-1","SUSE-SU-2026:23290-1","SUSE-SU-2026:23291-1","SUSE-SU-2026:23292-1","SUSE-SU-2026:23293-1","SUSE-SU-2026:23296-1","SUSE-SU-2026:23331-1","SUSE-SU-2026:23332-1","SUSE-SU-2026:23333-1","SUSE-SU-2026:23334-1","SUSE-SU-2026:23335-1","SUSE-SU-2026:23336-1","SUSE-SU-2026:23337-1","SUSE-SU-2026:23338-1","SUSE-SU-2026:23339-1","SUSE-SU-2026:23340-1","SUSE-SU-2026:23341-1","SUSE-SU-2026:23343-1","SUSE-SU-2026:23366-1","SUSE-SU-2026:23367-1","SUSE-SU-2026:23368-1","SUSE-SU-2026:23369-1","SUSE-SU-2026:23370-1","SUSE-SU-2026:23371-1","SUSE-SU-2026:23372-1","SUSE-SU-2026:23373-1","SUSE-SU-2026:23374-1","SUSE-SU-2026:23375-1","SUSE-SU-2026:23376-1","SUSE-SU-2026:23377-1","SUSE-SU-2026:23378-1","SUSE-SU-2026:23383-1","SUSE-SU-2026:23384-1","SUSE-SU-2026:23385-1","SUSE-SU-2026:23386-1","SUSE-SU-2026:23387-1","SUSE-SU-2026:23388-1","SUSE-SU-2026:23389-1","SUSE-SU-2026:23390-1","SUSE-SU-2026:23416-1","SUSE-SU-2026:23417-1","SUSE-SU-2026:23418-1","SUSE-SU-2026:23419-1","SUSE-SU-2026:23420-1","SUSE-SU-2026:23421-1","SUSE-SU-2026:23422-1","SUSE-SU-2026:23423-1","SUSE-SU-2026:23424-1","SUSE-SU-2026:23425-1","SUSE-SU-2026:23426-1","SUSE-SU-2026:23427-1","SUSE-SU-2026:23428-1","SUSE-SU-2026:23429-1","SUSE-SU-2026:23430-1","SUSE-SU-2026:23431-1","SUSE-SU-2026:23432-1","SUSE-SU-2026:23433-1","SUSE-SU-2026:23434-1","SUSE-SU-2026:23435-1","SUSE-SU-2026:23436-1","SUSE-SU-2026:23482-1","SUSE-SU-2026:23483-1","SUSE-SU-2026:23484-1","SUSE-SU-2026:23531-1","SUSE-SU-2026:23532-1","SUSE-SU-2026:23541-1","SUSE-SU-2026:3689-1","SUSE-SU-2026:3694-1","SUSE-SU-2026:3696-1","SUSE-SU-2026:3697-1","SUSE-SU-2026:3698-1","SUSE-SU-2026:3702-1","SUSE-SU-2026:3703-1","SUSE-SU-2026:3704-1","SUSE-SU-2026:3707-1","SUSE-SU-2026:3708-1","SUSE-SU-2026:3709-1","SUSE-SU-2026:3710-1","SUSE-SU-2026:3715-1","SUSE-SU-2026:3719-1","SUSE-SU-2026:3722-1","SUSE-SU-2026:3724-1","SUSE-SU-2026:3726-1","SUSE-SU-2026:3728-1","SUSE-SU-2026:3739-1","SUSE-SU-2026:3744-1","SUSE-SU-2026:3746-1","SUSE-SU-2026:3747-1","SUSE-SU-2026:3748-1","SUSE-SU-2026:3750-1","SUSE-SU-2026:3754-1","SUSE-SU-2026:3756-1","SUSE-SU-2026:3760-1","SUSE-SU-2026:3761-1","SUSE-SU-2026:3766-1","SUSE-SU-2026:3768-1","SUSE-SU-2026:3770-1","SUSE-SU-2026:3771-1","SUSE-SU-2026:3774-1","openSUSE-SU-2026:21555-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43110.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1ae1e1caa428844e481231f6dbe9b4f475f1d52d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2ae3ccb78c0a9ef5ee3d80d02ab319ac1d5af734"},{"type":"WEB","url":"https://git.kernel.org/stable/c/304950a467d83678bd0b0f46331882e2ac23b12d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3ec7437e9d11374105c2c4e47ae671537729d7e6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9c81bcc2c695e0082012a2a3d36a0eefaa51579c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9fca68c2512a362cad258e4df12a307bb2ee4b8e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b329fbcf075949a038045d8e9b86ae3d5bbd8a54"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b427c2b05222db36d32ee141609de6128e9091bb"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43110.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43110"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2880b86859967af710c72f7d34fb421a86a71e22"},{"fixed":"b329fbcf075949a038045d8e9b86ae3d5bbd8a54"},{"fixed":"2ae3ccb78c0a9ef5ee3d80d02ab319ac1d5af734"},{"fixed":"9c81bcc2c695e0082012a2a3d36a0eefaa51579c"},{"fixed":"3ec7437e9d11374105c2c4e47ae671537729d7e6"},{"fixed":"9fca68c2512a362cad258e4df12a307bb2ee4b8e"},{"fixed":"1ae1e1caa428844e481231f6dbe9b4f475f1d52d"},{"fixed":"b427c2b05222db36d32ee141609de6128e9091bb"},{"fixed":"304950a467d83678bd0b0f46331882e2ac23b12d"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43110.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.9.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.136"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.83"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.24"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.14"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-43110.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}