GSD-2022-1004994 bpf: Fix a data-race around bpf_jit_limit.
A data race in the Linux kernel's BPF JIT limit handling can lead to denial of service, requiring a kernel patch.
- 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-2022-1004994?
GSD-2022-1004994 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Fix a data-race around bpf_jit_limit.
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 v5.19.8 by commit ba632ad0bacb13197a8f38e7526448974e87f292, it was introduced in version v4.20 by commit ede95a63b5e84ddeea6b0c473b36ab8bfd8c6ce3. For more details please see the references link.
Which versions are affected by GSD-2022-1004994?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004994?
No fix has been published for GSD-2022-1004994 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004994 being exploited?
There is no known exploitation of GSD-2022-1004994 in the wild and no public exploit code.