GSD-2023-1001143 bpf, sockmap: fix race in sock_map_free()
A race condition in the Linux kernel's sockmap free function can lead to system instability or crashes, requiring local access to exploit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001143?
GSD-2023-1001143 is a 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
bpf, sockmap: fix race in sock_map_free()
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 v5.15.86 by commit a443c55d96dede82a724df6e70a318ad15c199e1, it was introduced in version v5.5 by commit 7e81a35302066c5a00b4c72d83e3ea4cad6eeb5b. For more details please see the references link.
Which versions are affected by GSD-2023-1001143?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001143?
No fix has been published for GSD-2023-1001143 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001143 being exploited?
There is no known exploitation of GSD-2023-1001143 in the wild and no public exploit code.