GSD-2022-1007663 mISDN: fix use-after-free bugs in l1oip timer handlers
Use-after-free bugs in mISDN l1oip timer handlers allow potential code execution or denial of service in the Linux kernel.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1007663?
GSD-2022-1007663 is an use after free vulnerability in Kernel, published on 14 Nov 2022.
Official description
mISDN: fix use-after-free bugs in l1oip timer handlers
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 v4.9.331 by commit 1ba21168faf881c23c270605834d01af260cbb72, it was introduced in version v2.6.27 by commit 3712b42d4b1bec29a4232a6673bf2e6dcc5faa68. For more details please see the references link.
Which versions are affected by GSD-2022-1007663?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1007663?
No fix has been published for GSD-2022-1007663 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-2022-1007663 being exploited?
There is no known exploitation of GSD-2022-1007663 in the wild and no public exploit code.