{"cve":"CVE-2026-53093","nvd":{"published":"2026-06-24T17:17:23.457","modified":"2026-07-23T18:34:06.787","status":"Analyzed","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]","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae","https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b","https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909","https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af","https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-53093","score":0.00162,"percentile":0.0542,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}