GSD-2022-1000039 sctp: use call_rcu to free endpoint
A use-after-free vulnerability in the Linux Kernel SCTP implementation allows attackers to potentially execute code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000039?
GSD-2022-1000039 is an use after free vulnerability in Kernel, published on 10 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
sctp: use call_rcu to free endpoint
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 v5.10.90 by commit 769d14abd35e0e153b5149c3e1e989a9d719e3ff, it was introduced in version v4.14 by commit d25adbeb0cdb860fb39e09cdd025e9cfc954c5ab. For more details please see the references link.
Which versions are affected by GSD-2022-1000039?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000039?
No fix has been published for GSD-2022-1000039 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-2022-1000039 being exploited?
There is no known exploitation of GSD-2022-1000039 in the wild and no public exploit code.