GSD-2023-1000708 net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path
A memory leak in the Linux kernel DSA tag_8021q module can lead to resource exhaustion and denial of service.
- 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-2023-1000708?
GSD-2023-1000708 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
net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path
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 v6.0.16 by commit 39691d51af99f80efb9e365f94b8e0c791fa1a2f, it was introduced in version v5.15 by commit 328621f6131f667c5c328bb72d45442fd76efb81. For more details please see the references link.
Which versions are affected by GSD-2023-1000708?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000708?
No fix has been published for GSD-2023-1000708 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-2023-1000708 being exploited?
There is no known exploitation of GSD-2023-1000708 in the wild and no public exploit code.