GSD-2022-1005161 net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null
A NULL pointer dereference in the Linux kernel tap driver allows local attackers to cause a system crash.
- 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-2022-1005161?
GSD-2022-1005161 is a vulnerability in Kernel, published on 16 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
net: tap: NULL pointer derefence in dev_parse_header_protocol when skb->dev is null
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 v5.19.4 by commit dd29648fcf69339713f2d25f7014ae905dcdfc18, it was introduced in version v5.12 by commit 924a9bc362a5223cd448ca08c3dde21235adc310. For more details please see the references link.
Which versions are affected by GSD-2022-1005161?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005161?
No fix has been published for GSD-2022-1005161 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005161 being exploited?
There is no known exploitation of GSD-2022-1005161 in the wild and no public exploit code.