GSD-2023-1000638 rtc: class: Fix potential memleak in devm_rtc_allocate_device()
A memory leak in the Linux kernel RTC class allows local attackers to cause resource exhaustion and potential denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000638?
GSD-2023-1000638 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
rtc: class: Fix potential memleak in devm_rtc_allocate_device()
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 v6.0.16 by commit 0bcfc8fd3e596994f527b46730579428b3a4fa5f, it was introduced in version v5.16 by commit 24d23181e43d72ca692a479e70dfe5b0b5dd33f1. For more details please see the references link.
Which versions are affected by GSD-2023-1000638?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000638?
No fix has been published for GSD-2023-1000638 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-2023-1000638 being exploited?
There is no known exploitation of GSD-2023-1000638 in the wild and no public exploit code.