GSD-2023-1000064 powerpc/bpf/32: Fix Oops on tail call tests
A flaw in the Linux Kernel's 32-bit PowerPC BPF implementation causes a system crash during tail call tests, requiring local access to exploit.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000064?
GSD-2023-1000064 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
powerpc/bpf/32: Fix Oops on tail call tests
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 v6.0.12 by commit 747a6e547240baaaf41874d27333b87b87cfd24c, it was introduced in version v5.13 by commit 51c66ad849a703d9bbfd7704c941827aed0fd9fd. For more details please see the references link.
Which versions are affected by GSD-2023-1000064?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000064?
No fix has been published for GSD-2023-1000064 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-2023-1000064 being exploited?
There is no known exploitation of GSD-2023-1000064 in the wild and no public exploit code.