GSD-2021-1002446 perf report: Fix memory leaks around perf_tip()
A memory leak in the Linux kernel perf report tool can lead to resource exhaustion and denial of service for local users.
- 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-2021-1002446?
GSD-2021-1002446 is a memory corruption vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
perf report: Fix memory leaks around perf_tip()
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 v5.4.164 by commit df5990db088d4c7fea9a2f9b8195a7859e1768c4. For more details please see the references link.
Which versions are affected by GSD-2021-1002446?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002446?
No fix has been published for GSD-2021-1002446 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-2021-1002446 being exploited?
There is no known exploitation of GSD-2021-1002446 in the wild and no public exploit code.