GSD-2023-1000225 xen/netback: Ensure protocol headers don't fall in the non-linear area
A flaw in the Linux Kernel netback driver allows attackers to cause memory corruption or denial of service by sending malformed network packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000225?
GSD-2023-1000225 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 v5.10.159 by commit 49e07c0768dbebff672ee1834eff9680fc6277bf, it was introduced in version v3.19 by commit 7e5d7753956b374516530e156c5e8aa19652398d. For more details please see the references link.
Which versions are affected by GSD-2023-1000225?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000225?
No fix has been published for GSD-2023-1000225 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-2023-1000225 being exploited?
There is no known exploitation of GSD-2023-1000225 in the wild and no public exploit code.