GSD-2022-1008197 net: sched: Fix use after free in red_enqueue()
A use-after-free flaw in the Linux kernel's network scheduler allows attackers to cause a denial of service or potentially execute code.
- 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-2022-1008197?
GSD-2022-1008197 is an use after free 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
net: sched: Fix use after free in red_enqueue()
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 v5.4.224 by commit 52e0429471976785c155bfbf51d80990c6cd46e2, it was introduced in version v4.7 by commit d7f4f332f082c4d4ba53582f902ed6b44fd6f45e. For more details please see the references link.
Which versions are affected by GSD-2022-1008197?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1008197?
No fix has been published for GSD-2022-1008197 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-2022-1008197 being exploited?
There is no known exploitation of GSD-2022-1008197 in the wild and no public exploit code.