CVEvulnerability
CVE-2026-53093
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-24
- Last modified
- 2026-07-23
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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]
Affected configurations
• linux linux kernel (>= 3.15 < 5.10.258)
• linux linux kernel (>= 5.11 < 5.15.209)
• linux linux kernel (>= 5.16 < 6.1.175)
• linux linux kernel (>= 6.2 < 6.6.141)
• linux linux kernel (>= 6.7 < 6.12.91)
• linux linux kernel (>= 6.13 < 6.18.33)
• linux linux kernel (>= 6.19 < 7.0.10)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae Patch
- https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b Patch
- https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909 Patch
- https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af Patch
- https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d Patch
- https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8 Patch
- https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a Patch
- https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a Patch