GSD-2023-1002339 xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()
A Spectre v1 gadget in the Linux kernel xfrm compat layer allows local attackers to potentially 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-2023-1002339?
GSD-2023-1002339 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 v6.1.12 by commit 419674224390fca298020fc0751a20812f84b12d, it was introduced in version v5.10 by commit 5106f4a8acff480e244300bc5097c0ad7048c3a2. For more details please see the references link.
Which versions are affected by GSD-2023-1002339?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1002339?
No fix has been published for GSD-2023-1002339 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1002339 being exploited?
There is no known exploitation of GSD-2023-1002339 in the wild and no public exploit code.