GSD-2022-1000321 perf: Fix list corruption in perf_cgroup_switch()
A list corruption bug in the Linux kernel's perf subsystem can lead to memory corruption, potentially causing denial of service or privilege escalation for local attackers.
- 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-2022-1000321?
GSD-2022-1000321 is a memory corruption vulnerability in Kernel, published on 27 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
perf: Fix list corruption in perf_cgroup_switch()
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 v4.19.230 by commit 30d9f3cbe47e1018ddc8069ac5b5c9e66fbdf727, it was introduced in version v4.11 by commit 058fe1c0440e68a1ba3c2270ae43e9f0298b27d8. For more details please see the references link.
Which versions are affected by GSD-2022-1000321?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000321?
No fix has been published for GSD-2022-1000321 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-2022-1000321 being exploited?
There is no known exploitation of GSD-2022-1000321 in the wild and no public exploit code.