GSD-2022-1000626 powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06
The Linux kernel BPF verifier allowed invalid instructions on older PowerPC processors, potentially causing crashes or instability.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1000626?
GSD-2022-1000626 is a vulnerability in Kernel, published on 27 Feb 2022.
Official description
powerpc64/bpf: Limit 'ldbrx' to processors compliant with ISA v2.06
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 v5.16.5 by commit aaccfeeee1630b155e8ff0d6c449d3de1ef86e73, it was introduced in version v4.8 by commit 156d0e290e969caba25f1851c52417c14d141b24. For more details please see the references link.
Which versions are affected by GSD-2022-1000626?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000626?
No fix has been published for GSD-2022-1000626 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1000626 being exploited?
There is no known exploitation of GSD-2022-1000626 in the wild and no public exploit code.