GSD-2023-1000501 SUNRPC: Don't leak netobj memory when gss_read_proxy_verf() fails
A memory leak in the Linux Kernel SUNRPC module can lead to resource exhaustion and denial of service when GSS proxy verification fails.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000501?
GSD-2023-1000501 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SUNRPC: Don't leak netobj memory when gss_read_proxy_verf() fails
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 v6.0.17 by commit 67eb848161c2799f2007968ea3bc87adb15c9567, it was introduced in version v3.10 by commit 030d794bf49855f5e2a9e8dfbfad34211d1eb08b. For more details please see the references link.
Which versions are affected by GSD-2023-1000501?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000501?
No fix has been published for GSD-2023-1000501 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-2023-1000501 being exploited?
There is no known exploitation of GSD-2023-1000501 in the wild and no public exploit code.