GSD-2021-1000839 tracing: Correct the length check which causes memory corruption
A length check error in the Linux kernel tracing subsystem can lead to memory corruption, potentially allowing code execution or system crashes.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2021-1000839?
GSD-2021-1000839 is a memory corruption vulnerability in Kernel, published on 30 Jun 2021.
Official description
tracing: Correct the length check which causes memory corruption
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 v4.9.273 by commit edcce01e0e50840a9aa6a70baed21477bdd2c9f9, it was introduced in version v4.9.258 by commit 2e584b1a02eeb860e286d39bc408b25ebc5ec844. For more details please see the references link.
Which versions are affected by GSD-2021-1000839?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000839?
No fix has been published for GSD-2021-1000839 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-2021-1000839 being exploited?
There is no known exploitation of GSD-2021-1000839 in the wild and no public exploit code.