GSD-2021-1002398 serial: core: fix transmit-buffer reset and memleak
A memory leak and buffer reset issue in the Linux kernel serial core can lead to resource exhaustion and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1002398?
GSD-2021-1002398 is a memory corruption vulnerability in Kernel, published on 19 Dec 2021.
Official description
serial: core: fix transmit-buffer reset and memleak
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 v4.14.257 by commit e74d9663fd57640fc3394abb5c76fa95b9cc2f2e, it was introduced in version v4.9 by commit 761ed4a94582ab291aa24dcbea4e01e8936488c8. For more details please see the references link.
Which versions are affected by GSD-2021-1002398?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002398?
No fix has been published for GSD-2021-1002398 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2021-1002398 being exploited?
There is no known exploitation of GSD-2021-1002398 in the wild and no public exploit code.