GSD-2023-1000076 can: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down
A local attacker can cause a memory leak in the Linux kernel CAN driver when the network device is down, potentially leading to denial of service.
- 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-2023-1000076?
GSD-2023-1000076 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
can: can327: can327_feed_frame_to_netdev(): fix potential skb leak when netdev is down
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 v6.0.12 by commit 797b1d9fc0e1f4351e4ad49b078c1a3cdc0d4a08, it was introduced in version v6.0 by commit 43da2f07622f41376c7ddab8f73dc2b1d3ab9715. For more details please see the references link.
Which versions are affected by GSD-2023-1000076?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000076?
No fix has been published for GSD-2023-1000076 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-2023-1000076 being exploited?
There is no known exploitation of GSD-2023-1000076 in the wild and no public exploit code.