{"id":"CVE-2026-53093","summary":"wifi: brcmfmac: Fix error pointer dereference","details":"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]","modified":"2026-07-21T09:52:35.762751067Z","published":"2026-06-24T16:30:32.053Z","related":["SUSE-SU-2026:3130-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53093.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae"},{"type":"WEB","url":"https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53093.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53093"},{"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":"cb7cf7be9eba76f3cd6258906074c72084570c84"},{"fixed":"a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af"},{"fixed":"99ef547659178eef6d6ba4738a9d989ce90cf909"},{"fixed":"bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d"},{"fixed":"d3f280be48f1c672cb10e8026c236d0cca60048a"},{"fixed":"2e0e5a43ed126f896a4ad31ade66c90270601bae"},{"fixed":"cbea71b4480394708f9a6e007a0385acfe5e1ec8"},{"fixed":"334c68750eee84c2327db1d152be83ff5ad8e20b"},{"fixed":"dd8592fc6007a451c3e4b9025de365e39de8178a"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53093.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.15.0"},{"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":"6.6.141"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.91"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53093.json"}}],"schema_version":"1.7.5"}