GSD-2022-1008307 capabilities: fix undefined behavior in bit shift for CAP_TO_MASK
Undefined behavior in Linux kernel capability bit shift allows local attackers to potentially 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-2022-1008307?
GSD-2022-1008307 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 v4.14.300 by commit 65b0bc7a0690861812ade523d19f82688ab819dc, 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-2022-1008307?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008307?
No fix has been published for GSD-2022-1008307 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1008307 being exploited?
There is no known exploitation of GSD-2022-1008307 in the wild and no public exploit code.