{"id":"CVE-2026-53093","state":"PUBLISHED","title":"wifi: brcmfmac: Fix error pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix error pointer dereference\n\nThe function brcmf_chip_add_core() can return an error pointer and is\nnot checked. Add checks for error pointer.\n\nDetected by Smatch:\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\n[add missing wifi: prefix]","publishedAt":"2026-06-24T16:30:32.053Z","updatedAt":"2026-06-24T16:30:32.053Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"99ef547659178eef6d6ba4738a9d989ce90cf909","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"d3f280be48f1c672cb10e8026c236d0cca60048a","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"2e0e5a43ed126f896a4ad31ade66c90270601bae","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"cbea71b4480394708f9a6e007a0385acfe5e1ec8","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"334c68750eee84c2327db1d152be83ff5ad8e20b","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"dd8592fc6007a451c3e4b9025de365e39de8178a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.15","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/chip.c"]}],"references":["https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af","https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909","https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d","https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a","https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae","https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8","https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b","https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/53xxx/CVE-2026-53093.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53093","state":"PUBLISHED","datePublished":"2026-06-24T16:30:32.053Z","dateUpdated":"2026-06-24T16:30:32.053Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-06-09T07:44:35.384Z"},"containers":{"cna":{"title":"wifi: brcmfmac: Fix error pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: Fix error pointer dereference\n\nThe function brcmf_chip_add_core() can return an error pointer and is\nnot checked. Add checks for error pointer.\n\nDetected by Smatch:\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\ndrivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error:\n'core' dereferencing possible ERR_PTR()\n\n[add missing wifi: prefix]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"99ef547659178eef6d6ba4738a9d989ce90cf909","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"d3f280be48f1c672cb10e8026c236d0cca60048a","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"2e0e5a43ed126f896a4ad31ade66c90270601bae","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"cbea71b4480394708f9a6e007a0385acfe5e1ec8","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"334c68750eee84c2327db1d152be83ff5ad8e20b","versionType":"git"},{"version":"cb7cf7be9eba76f3cd6258906074c72084570c84","status":"affected","lessThan":"dd8592fc6007a451c3e4b9025de365e39de8178a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.15","versionType":"semver"},{"version":"5.10.258","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.209","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.91","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.33","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.10","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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/chip.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af"},{"url":"https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909"},{"url":"https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d"},{"url":"https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a"},{"url":"https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae"},{"url":"https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8"},{"url":"https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b"},{"url":"https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-24T16:30:32.053Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.6.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.15","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}