GSD-2023-1001642 x86/xen: Fix memory leak in xen_init_lock_cpu()
A memory leak in the Linux Kernel's Xen initialization allows local attackers to cause resource exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1001642?
GSD-2023-1001642 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
x86/xen: Fix memory leak in xen_init_lock_cpu()
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 v4.9.337 by commit 9278bdbb566656b3704704f8dd6cbc24a6fcc569, it was introduced in version v2.6.27 by commit 2d9e1e2f58b5612aa4eab0ab54c84308a29dbd79. For more details please see the references link.
Which versions are affected by GSD-2023-1001642?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001642?
No fix has been published for GSD-2023-1001642 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-2023-1001642 being exploited?
There is no known exploitation of GSD-2023-1001642 in the wild and no public exploit code.