GSD-2022-1000978 macvlan: Fix leaking skb in source mode with nodst option
A memory leak in the Linux kernel macvlan driver can lead to denial of service when using source mode with nodst option.
- 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-2022-1000978?
GSD-2022-1000978 is a memory corruption vulnerability in Kernel, published on 24 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
macvlan: Fix leaking skb in source mode with nodst option
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 v5.17.4 by commit f382df5ff36bc9fa10e0f898f3051d0702085304, it was introduced in version v5.13 by commit 427f0c8c194b22edcafef1b0a42995ddc5c2227d. For more details please see the references link.
Which versions are affected by GSD-2022-1000978?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1000978?
No fix has been published for GSD-2022-1000978 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-2022-1000978 being exploited?
There is no known exploitation of GSD-2022-1000978 in the wild and no public exploit code.