GSD-2023-1000599 x86/apic: Handle no CONFIG_X86_X2APIC on systems with x2APIC enabled by BIOS
A flaw in the Linux kernel x86 APIC handling can cause a denial of service on systems with x2APIC enabled by BIOS but lacking CONFIG_X86_X2APIC support.
- 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-2023-1000599?
GSD-2023-1000599 is a denial of service 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
x86/apic: Handle no CONFIG_X86_X2APIC on systems with x2APIC enabled by BIOS
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 c499927855786d1cd4e6c4b1b0dd1c914e8f7e59. For more details please see the references link.
Which versions are affected by GSD-2023-1000599?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000599?
No fix has been published for GSD-2023-1000599 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-2023-1000599 being exploited?
There is no known exploitation of GSD-2023-1000599 in the wild and no public exploit code.