CVE-2026-53093
N/A
Summary
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]
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af | affected |
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < 99ef547659178eef6d6ba4738a9d989ce90cf909 | affected |
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d | affected |
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < d3f280be48f1c672cb10e8026c236d0cca60048a | affected |
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < 2e0e5a43ed126f896a4ad31ade66c90270601bae | affected |
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < cbea71b4480394708f9a6e007a0385acfe5e1ec8 | affected |
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < 334c68750eee84c2327db1d152be83ff5ad8e20b | affected |
| Linux | Linux | cb7cf7be9eba76f3cd6258906074c72084570c84 < dd8592fc6007a451c3e4b9025de365e39de8178a | affected |
| Linux | Linux | 3.15 | affected |
| Linux | Linux | 0 < 3.15 | unaffected |
| Linux | Linux | 5.10.258 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.209 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.175 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.141 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.91 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.33 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.10 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
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
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