GSD-2022-1002948 bpf, arm64: Clear prog->jited_len along prog->jited
A memory corruption vulnerability in the Linux kernel BPF subsystem on ARM64 allows local attackers to potentially execute arbitrary 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-2022-1002948?
GSD-2022-1002948 is a memory corruption 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 v5.17.15 by commit 5c25a3040bc0486c41a7b63a1fb0de7cdb846ad7, it was introduced in version v4.16 by commit db496944fdaaf2a67d2f60529f5dc23abf809506. For more details please see the references link.
Which versions are affected by GSD-2022-1002948?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1002948?
No fix has been published for GSD-2022-1002948 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2022-1002948 being exploited?
There is no known exploitation of GSD-2022-1002948 in the wild and no public exploit code.