GSD-2021-1001187 arch_topology: Avoid use-after-free for scale_freq_data
A use-after-free vulnerability in the Linux kernel's arch_topology module could allow local attackers to execute arbitrary code or escalate privileges.
- 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-2021-1001187?
GSD-2021-1001187 is an use after free vulnerability in Kernel, published on 3 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
arch_topology: Avoid use-after-free for scale_freq_data
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 v5.13.4 by commit ccdf7e073170886bc370c613e269de610a794c4a, it was introduced in version v5.13 by commit 01e055c120a46e78650b5f903088badbbdaae9ad. For more details please see the references link.
Which versions are affected by GSD-2021-1001187?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1001187?
No fix has been published for GSD-2021-1001187 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-2021-1001187 being exploited?
There is no known exploitation of GSD-2021-1001187 in the wild and no public exploit code.