GSD-2023-1002220 bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation
A local attacker can leak kernel pointers due to insufficient speculative store bypass mitigation in the BPF subsystem.
- 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-2023-1002220?
GSD-2023-1002220 is a vulnerability in Kernel, published on 13 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation
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 v5.4.231 by commit 81b3374944d201872cfcf82730a7860f8e7c31dd, it was introduced in version v5.4.146 by commit f5893af2704eb763eb982f01d573f5b19f06b623. For more details please see the references link.
Which versions are affected by GSD-2023-1002220?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002220?
No fix has been published for GSD-2023-1002220 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002220 being exploited?
There is no known exploitation of GSD-2023-1002220 in the wild and no public exploit code.