GSD-2021-1002703 igbvf: fix double free in `igbvf_probe`
A double free vulnerability in the igbvf network driver allows local attackers to cause a denial of service or potentially execute arbitrary code.
- 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-2021-1002703?
GSD-2021-1002703 is an use after free vulnerability in Kernel, published on 27 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
igbvf: fix double free in igbvf_probe
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 v5.10.88 by commit 74a16e062b23332d8db017ff4a41e16279c44411, it was introduced in version v2.6.30 by commit d4e0fe01a38a073568aee541a0247fe734095979. For more details please see the references link.
Which versions are affected by GSD-2021-1002703?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2021-1002703?
No fix has been published for GSD-2021-1002703 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-2021-1002703 being exploited?
There is no known exploitation of GSD-2021-1002703 in the wild and no public exploit code.