5.5

CVE-2026-53093

wifi: brcmfmac: Fix error pointer dereference

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]
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 3.15 < 5.10.258
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.209
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.175
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.141
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.91
Linux ≫ Linux Kernel Version >= 6.13 < 6.18.33
Linux ≫ Linux Kernel Version >= 6.19 < 7.0.10
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.12% 0.024
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af
Patch
https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909
Patch
https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d
Patch
https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a
Patch
https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae
Patch
https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8
Patch
https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b
Patch
https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a
Patch