GSD-2022-1003263 bpf, arm64: Clear prog->jited_len along prog->jited
A kernel bug in arm64 BPF JIT handling fails to clear jited_len, potentially causing undefined behavior or crashes for privileged users.
- 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-2022-1003263?
GSD-2022-1003263 is a vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf, arm64: Clear prog->jited_len along prog->jited
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 v5.15.47 by commit 3f4d5e727aeaa610688d46c9f101f78b7f712583, it was introduced in version v4.16 by commit db496944fdaaf2a67d2f60529f5dc23abf809506. For more details please see the references link.
Which versions are affected by GSD-2022-1003263?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003263?
No fix has been published for GSD-2022-1003263 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1003263 being exploited?
There is no known exploitation of GSD-2022-1003263 in the wild and no public exploit code.