GSD-2022-1001840 mips: cdmm: Fix refcount leak in mips_cdmm_phys_base
A refcount leak in the MIPS CDMM driver can lead to resource exhaustion and denial of service, requiring a kernel patch.
- 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-2022-1001840?
GSD-2022-1001840 is a denial of service vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
mips: cdmm: Fix refcount leak in mips_cdmm_phys_base
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 v5.15.33 by commit 69155dc2e04777aa94207a73a8b10f12b8428a68, it was introduced in version v5.9 by commit 2121aa3e2312ccc1d6299154dc4f07a6ab8beee2. For more details please see the references link.
Which versions are affected by GSD-2022-1001840?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1001840?
No fix has been published for GSD-2022-1001840 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-2022-1001840 being exploited?
There is no known exploitation of GSD-2022-1001840 in the wild and no public exploit code.