GSD-2022-1008356 capabilities: fix undefined behavior in bit shift for CAP_TO_MASK
Undefined behavior in Linux kernel capability bit shifts may allow local attackers to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1008356?
GSD-2022-1008356 is a vulnerability in Kernel, published on 8 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
capabilities: fix undefined behavior in bit shift for CAP_TO_MASK
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 v4.9.334 by commit 5b79fa628e2ab789e629a83cd211ef9b4c1a593e, it was introduced in version v2.6.25 by commit e338d263a76af78fe8f38a72131188b58fceb591. For more details please see the references link.
Which versions are affected by GSD-2022-1008356?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008356?
No fix has been published for GSD-2022-1008356 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008356 being exploited?
There is no known exploitation of GSD-2022-1008356 in the wild and no public exploit code.