GSD-2023-1001845 bpf: Skip invalid kfunc call in backtrack_insn
A null pointer dereference in the Linux kernel BPF subsystem can cause a system crash, requiring local privileged access to exploit.
- 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-2023-1001845?
GSD-2023-1001845 is a vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Skip invalid kfunc call in backtrack_insn
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 v6.1.11 by commit 74eec8266f37aff609db6a2f2b093e56a11c28c4. For more details please see the references link.
Which versions are affected by GSD-2023-1001845?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001845?
No fix has been published for GSD-2023-1001845 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1001845 being exploited?
There is no known exploitation of GSD-2023-1001845 in the wild and no public exploit code.