GSD-2021-1001160 bpf, sockmap: Fix potential memory leak on unlikely error case
A memory leak in the Linux kernel sockmap allows local attackers to cause denial of service via resource exhaustion.
- 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-2021-1001160?
GSD-2021-1001160 is a memory corruption vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf, sockmap: Fix potential memory leak on unlikely error case
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 v5.13.6 by commit 6c508a1c6c62793dc6e6872cad4b200097bab7c9, it was introduced in version v5.10 by commit 4363023d2668e621b0743db351a9555d6e6ea57e. For more details please see the references link.
Which versions are affected by GSD-2021-1001160?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001160?
No fix has been published for GSD-2021-1001160 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-2021-1001160 being exploited?
There is no known exploitation of GSD-2021-1001160 in the wild and no public exploit code.