GSD-2022-1000996 SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
A use-after-free vulnerability in the Linux Kernel SUNRPC module allows attackers to cause denial of service or potentially execute code.
- 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-2022-1000996?
GSD-2022-1000996 is an use after free vulnerability in Kernel, published on 24 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
SUNRPC: Ensure we flush any closed sockets before xs_xprt_free()
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 v5.17.3 by commit d21287d8a4589dd8513038f887ece980fbc399cf, it was introduced in version v5.1 by commit a73881c96d73ee72b7dbbd38a6eeef66182a8ef7. For more details please see the references link.
Which versions are affected by GSD-2022-1000996?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000996?
No fix has been published for GSD-2022-1000996 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2022-1000996 being exploited?
There is no known exploitation of GSD-2022-1000996 in the wild and no public exploit code.