CVE-2026-53093
Description
In 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]
How to fix
- linux linux_kernel5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 or later
- git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae
- git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b
- git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909
- git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af
- git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d
- git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8
- git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a
- git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.15 ≤ v < 5.10.258, 5.11 ≤ v < 5.15.209, 5.16 ≤ v < 6.1.175, 6.2 ≤ v < 6.6.141, 6.7 ≤ v < 6.12.91, 6.13 ≤ v < 6.18.33, 6.19 ≤ v < 7.0.10 | 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 |
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