GSD-2023-1002011 mm: Always release pages to the buddy allocator in memblock_free_late().
A memory management flaw in the Linux kernel may lead to denial of service by failing to release pages correctly to the buddy allocator.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1002011?
GSD-2023-1002011 is a memory corruption vulnerability in Kernel, published on 13 Feb 2023.
Official description
mm: Always release pages to the buddy allocator in memblock_free_late().
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 v6.1.7 by commit 68a6f7dbf8a4fd4be9a99892ee3a5809c99778a7, it was introduced in version v4.2 by commit 3a80a7fa7989fbb6aa56bb6ad31811b62cf99e60. For more details please see the references link.
Which versions are affected by GSD-2023-1002011?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002011?
No fix has been published for GSD-2023-1002011 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-2023-1002011 being exploited?
There is no known exploitation of GSD-2023-1002011 in the wild and no public exploit code.