GSD-2022-1005764 xfrm: fix refcount leak in __xfrm_policy_check()
A refcount leak in the Linux kernel's xfrm policy check can lead to resource exhaustion and denial of service.
- 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-2022-1005764?
GSD-2022-1005764 is a denial of service vulnerability in Kernel, published on 17 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
xfrm: fix refcount leak in __xfrm_policy_check()
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 v5.10.140 by commit 1305d7d4f35ca6f214a2d23b075aa6a924cff3be, it was introduced in version v2.6.19 by commit 134b0fc544ba062498451611cb6f3e4454221b3d. For more details please see the references link.
Which versions are affected by GSD-2022-1005764?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005764?
No fix has been published for GSD-2022-1005764 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1005764 being exploited?
There is no known exploitation of GSD-2022-1005764 in the wild and no public exploit code.