GSD-2022-1003293 lkdtm/bugs: Don't expect thread termination without CONFIG_UBSAN_TRAP
A logic error in the Linux kernel's lkdtm test module can cause unexpected thread termination, potentially leading to a 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-2022-1003293?
GSD-2022-1003293 is a denial of service vulnerability in Kernel, published on 28 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
lkdtm/bugs: Don't expect thread termination without CONFIG_UBSAN_TRAP
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 v5.15.47 by commit 20e75f3c6e09cf345031a8b02c9b9bff0473b424, it was introduced in version v5.15 by commit c75be56e35b2eef824a2ac8d90a98f9e65b28efa. For more details please see the references link.
Which versions are affected by GSD-2022-1003293?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1003293?
No fix has been published for GSD-2022-1003293 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1003293 being exploited?
There is no known exploitation of GSD-2022-1003293 in the wild and no public exploit code.