GSD-2023-1000423 qlcnic: prevent ->dcb use-after-free on qlcnic_dcb_enable() failure
A use-after-free vulnerability in the qlcnic driver allows local attackers to cause denial of service or potentially escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2023-1000423?
GSD-2023-1000423 is an use after free 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
qlcnic: prevent ->dcb use-after-free on qlcnic_dcb_enable() failure
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 v6.0.19 by commit 8df1dc04ce0e4c03b51a756749c250a9cb17d707, it was introduced in version v3.14 by commit 3c44bba1d270cb1620b4fe76786d0968118cb86b. For more details please see the references link.
Which versions are affected by GSD-2023-1000423?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000423?
No fix has been published for GSD-2023-1000423 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is GSD-2023-1000423 being exploited?
There is no known exploitation of GSD-2023-1000423 in the wild and no public exploit code.