wifi: brcmfmac: Fix error pointer dereference

Summary

CVECVE-2026-53093
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 17:17:23 UTC
Updated2026-06-24 17:17:23 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix error pointer dereference The function brcmf_chip_add_core() can return an error pointer and is not checked. Add checks for error pointer. Detected by Smatch: drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1010 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1013 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1016 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1019 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c:1022 brcmf_chip_recognition() error: 'core' dereferencing possible ERR_PTR() [add missing wifi: prefix]

Risk And Classification

EPSS: 0.001760000 probability, percentile 0.073780000 (date 2026-06-29)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af git Not specified
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 99ef547659178eef6d6ba4738a9d989ce90cf909 git Not specified
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d git Not specified
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 d3f280be48f1c672cb10e8026c236d0cca60048a git Not specified
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 2e0e5a43ed126f896a4ad31ade66c90270601bae git Not specified
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 cbea71b4480394708f9a6e007a0385acfe5e1ec8 git Not specified
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 334c68750eee84c2327db1d152be83ff5ad8e20b git Not specified
CNA Linux Linux affected cb7cf7be9eba76f3cd6258906074c72084570c84 dd8592fc6007a451c3e4b9025de365e39de8178a git Not specified
CNA Linux Linux affected 3.15 Not specified
CNA Linux Linux unaffected 3.15 semver Not specified
CNA Linux Linux unaffected 5.10.258 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.141 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.91 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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