{"id":"CVE-2026-98350","state":"PUBLISHED","title":"wifi: brcmfmac: cyw: pass PMKID to firmware if present","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: cyw: pass PMKID to firmware if present\n\nZero out auth_status on initialization. Otherwise, garbage will\nleak from the stack to the firmware (when ssid is less than 32 bytes\nand/or when params->pmkid is set). Then, pass the params->pmkid to the\nfirmware (without it, the firmware caches a garbage PMKID on successful\nauthentication and denies a subsequent association request that includes\nthe PMKID).","publishedAt":"2026-10-06T08:46:38.525Z","updatedAt":"2026-10-19T09:18:01.119Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"66f909308a7c05082919ff214a0bbe2a76aa0283","status":"affected","lessThan":"c2cf589c7d546557ed60c43f2ec014279265dfbf","versionType":"git"},{"version":"66f909308a7c05082919ff214a0bbe2a76aa0283","status":"affected","lessThan":"6fba6233e9ca7718661e53555a3961c58772c21a","versionType":"git"},{"version":"66f909308a7c05082919ff214a0bbe2a76aa0283","status":"affected","lessThan":"e2de8d5eb2984416affdd9559e55f37c7f1bbf47","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/brcm80211/brcmfmac/cyw/core.c"]}],"references":["https://git.kernel.org/stable/c/c2cf589c7d546557ed60c43f2ec014279265dfbf","https://git.kernel.org/stable/c/6fba6233e9ca7718661e53555a3961c58772c21a","https://git.kernel.org/stable/c/e2de8d5eb2984416affdd9559e55f37c7f1bbf47"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98350.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98350","state":"PUBLISHED","datePublished":"2026-10-06T08:46:38.525Z","dateUpdated":"2026-10-19T09:18:01.119Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.343Z"},"containers":{"cna":{"title":"wifi: brcmfmac: cyw: pass PMKID to firmware if present","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: cyw: pass PMKID to firmware if present\n\nZero out auth_status on initialization. Otherwise, garbage will\nleak from the stack to the firmware (when ssid is less than 32 bytes\nand/or when params->pmkid is set). Then, pass the params->pmkid to the\nfirmware (without it, the firmware caches a garbage PMKID on successful\nauthentication and denies a subsequent association request that includes\nthe PMKID)."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"66f909308a7c05082919ff214a0bbe2a76aa0283","status":"affected","lessThan":"c2cf589c7d546557ed60c43f2ec014279265dfbf","versionType":"git"},{"version":"66f909308a7c05082919ff214a0bbe2a76aa0283","status":"affected","lessThan":"6fba6233e9ca7718661e53555a3961c58772c21a","versionType":"git"},{"version":"66f909308a7c05082919ff214a0bbe2a76aa0283","status":"affected","lessThan":"e2de8d5eb2984416affdd9559e55f37c7f1bbf47","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/cyw/core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.16","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.16","versionType":"semver"},{"version":"6.18.54","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.8","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/brcm80211/brcmfmac/cyw/core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c2cf589c7d546557ed60c43f2ec014279265dfbf"},{"url":"https://git.kernel.org/stable/c/6fba6233e9ca7718661e53555a3961c58772c21a"},{"url":"https://git.kernel.org/stable/c/e2de8d5eb2984416affdd9559e55f37c7f1bbf47"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:18:01.119Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"6.18.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}