GSD-2023-1000286 xen/netback: Ensure protocol headers don't fall in the non-linear area
A flaw in the Linux kernel's Xen netback driver could allow attackers to cause memory corruption, leading to denial of service or potential code execution.
- 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-2023-1000286?
GSD-2023-1000286 is a memory corruption vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
xen/netback: Ensure protocol headers don't fall in the non-linear area
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 v5.4.227 by commit 8fe1bf6f32cd5b96ddcd2a38110603fe34753e52, it was introduced in version v3.19 by commit 7e5d7753956b374516530e156c5e8aa19652398d. For more details please see the references link.
Which versions are affected by GSD-2023-1000286?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000286?
No fix has been published for GSD-2023-1000286 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is GSD-2023-1000286 being exploited?
There is no known exploitation of GSD-2023-1000286 in the wild and no public exploit code.