GSD-2023-1000451 RISC-V: kexec: Fix memory leak of fdt buffer
A memory leak in the RISC-V kexec implementation allows local attackers to cause denial of service by exhausting kernel memory.
- 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-2023-1000451?
GSD-2023-1000451 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
RISC-V: kexec: Fix memory leak of fdt buffer
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 v6.0.18 by commit c66ad198b6497dee8f45d7ed5c03629c4525c7d0, it was introduced in version v5.19 by commit 6261586e0c91db14c34f894f4bc48f2300cff1d4. For more details please see the references link.
Which versions are affected by GSD-2023-1000451?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000451?
No fix has been published for GSD-2023-1000451 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-2023-1000451 being exploited?
There is no known exploitation of GSD-2023-1000451 in the wild and no public exploit code.