GSD-2023-1000253 wifi: cfg80211: fix buffer overflow in elem comparison
A buffer overflow in the Linux kernel's cfg80211 subsystem allows attackers to potentially execute code or cause a denial of service via crafted wireless elements.
- 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-2023-1000253?
GSD-2023-1000253 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
wifi: cfg80211: fix buffer overflow in elem comparison
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 v5.10.158 by commit 9e6b79a3cd17620d467311b30d56f2648f6880aa, it was introduced in version v5.1 by commit 0b8fb8235be8be99a197e8d948fc0a2df8dc261a. For more details please see the references link.
Which versions are affected by GSD-2023-1000253?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000253?
No fix has been published for GSD-2023-1000253 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1000253 being exploited?
There is no known exploitation of GSD-2023-1000253 in the wild and no public exploit code.