GSD-2022-1007427 vhost/vsock: Use kvmalloc/kvfree for larger packets.
Improper memory allocation for large vsock packets in the Linux kernel may lead to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1007427?
GSD-2022-1007427 is a denial of service vulnerability in Kernel, published on 14 Nov 2022.
Official description
vhost/vsock: Use kvmalloc/kvfree for larger packets.
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 v5.4.220 by commit e6d0152c95108651f1880c1ddfab47cb9e3e62d0, it was introduced in version v4.8 by commit 433fc58e6bf2c8bd97e57153ed28e64fd78207b8. For more details please see the references link.
Which versions are affected by GSD-2022-1007427?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007427?
No fix has been published for GSD-2022-1007427 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-2022-1007427 being exploited?
There is no known exploitation of GSD-2022-1007427 in the wild and no public exploit code.