GSD-2021-1002526 io_uring: fix link traversal locking
A locking error in Linux kernel io_uring link traversal may allow local attackers to cause race conditions, potentially leading to privilege escalation or system crashes.
- 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-2021-1002526?
GSD-2021-1002526 is a vulnerability in Kernel, published on 19 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
io_uring: fix link traversal locking
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 v5.15.6 by commit 1c939a53b26b6b39378a77f76a49be8dd6df7af0, it was introduced in version v5.15.6 by commit 09eb40f6776c8b50c2e46a504bf5483440ca607d. For more details please see the references link.
Which versions are affected by GSD-2021-1002526?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002526?
No fix has been published for GSD-2021-1002526 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1002526 being exploited?
There is no known exploitation of GSD-2021-1002526 in the wild and no public exploit code.