GSD-2023-1002261 bpf: Fix pointer-leak due to insufficient speculative store bypass mitigation
A local attacker can exploit insufficient speculative store bypass mitigation in the Linux kernel BPF subsystem to leak kernel pointers.
- 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-2023-1002261?
GSD-2023-1002261 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 v4.19.272 by commit aae109414a57ab4164218f36e2e4a17f027fcaaa, it was introduced in version v4.19.207 by commit 872968502114d68c21419cf7eb5ab97717e7b803. For more details please see the references link.
Which versions are affected by GSD-2023-1002261?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002261?
No fix has been published for GSD-2023-1002261 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002261 being exploited?
There is no known exploitation of GSD-2023-1002261 in the wild and no public exploit code.