GSD-2022-1007499 wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
A use-after-free bug in the Linux kernel brcmfmac WiFi driver allows attackers to potentially execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1007499?
GSD-2022-1007499 is an use after free vulnerability in Kernel, published on 14 Nov 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: brcmfmac: fix use-after-free bug in brcmf_netdev_start_xmit()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.262 by commit d79f4d903e14dde822c60b5fd3bedc5a289d25df. For more details please see the references link.
Which versions are affected by GSD-2022-1007499?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007499?
No fix has been published for GSD-2022-1007499 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1007499 being exploited?
There is no known exploitation of GSD-2022-1007499 in the wild and no public exploit code.