GSD-2022-1006330 s390/boot: fix absolute zero lowcore corruption on boot
A memory corruption issue in the s390 boot process can cause system crashes during startup, requiring a kernel upgrade to fix.
- 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-2022-1006330?
GSD-2022-1006330 is a memory corruption vulnerability in Kernel, published on 2 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
s390/boot: fix absolute zero lowcore corruption on boot
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 v5.19.9 by commit 1ceb383def1e2da5ebfd62ef5bded9cab999963c, it was introduced in version v3.18 by commit a62bc0739253939d6fce40d51d92412252a9bb55. For more details please see the references link.
Which versions are affected by GSD-2022-1006330?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1006330?
No fix has been published for GSD-2022-1006330 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-2022-1006330 being exploited?
There is no known exploitation of GSD-2022-1006330 in the wild and no public exploit code.