GSD-2021-1000450 ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook
A logic error in the ARM hardware breakpoint handler could lead to undefined behavior, requiring local privileged access to exploit.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2021-1000450?
GSD-2021-1000450 is a vulnerability in Kernel, published on 31 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook
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 v4.19.191 by commit a9938d6d78a238d6ab8de57a4d3dcf77adceb9bb, it was introduced in version v4.7 by commit 1879445dfa7bbd6fe21b09c5cc72f4934798afed. For more details please see the references link.
Which versions are affected by GSD-2021-1000450?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1000450?
No fix has been published for GSD-2021-1000450 yet. Limit exposure of the affected software until one is available.
Is GSD-2021-1000450 being exploited?
There is no known exploitation of GSD-2021-1000450 in the wild and no public exploit code.