GSD-2023-1002391 xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()
A Spectre v1 gadget in the Linux kernel's xfrm compatibility layer could allow local attackers to read sensitive memory.
- 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-2023-1002391?
GSD-2023-1002391 is a vulnerability in Kernel, published on 7 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()
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 v5.10.168 by commit a893cc644812728e86e9aff517fd5698812ecef0, it was introduced in version v5.10 by commit 5106f4a8acff480e244300bc5097c0ad7048c3a2. For more details please see the references link.
Which versions are affected by GSD-2023-1002391?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002391?
No fix has been published for GSD-2023-1002391 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002391 being exploited?
There is no known exploitation of GSD-2023-1002391 in the wild and no public exploit code.