GSD-2023-1000049 memcg: fix possible use-after-free in memcg_write_event_control()
A use-after-free vulnerability in the Linux kernel memory control group subsystem allows local attackers to potentially execute code or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000049?
GSD-2023-1000049 is an use after free 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
memcg: fix possible use-after-free in memcg_write_event_control()
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 v6.0.13 by commit 0ed074317b835caa6c03bcfa8f133365324673dc, it was introduced in version v3.14 by commit 347c4a8747104a945ecced358944e42879176ca5. For more details please see the references link.
Which versions are affected by GSD-2023-1000049?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000049?
No fix has been published for GSD-2023-1000049 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-2023-1000049 being exploited?
There is no known exploitation of GSD-2023-1000049 in the wild and no public exploit code.