GSD-2022-1004477 netfilter: use get_random_u32 instead of prandom
The Linux kernel netfilter subsystem used a weak pseudo-random number generator, potentially allowing attackers to predict values and bypass security checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is GSD-2022-1004477?
GSD-2022-1004477 is a vulnerability in Kernel, published on 31 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
netfilter: use get_random_u32 instead of prandom
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 v5.15.51 by commit d0906b0fffc9f19bc42708ca3e84e2089088386c, it was introduced in version v5.6 by commit 6b2faee0ca91b63bd5a3b2087d4f25c76b983961. For more details please see the references link.
Which versions are affected by GSD-2022-1004477?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1004477?
No fix has been published for GSD-2022-1004477 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1004477 being exploited?
There is no known exploitation of GSD-2022-1004477 in the wild and no public exploit code.