GSD-2022-1005015 bpf: Don't use tnum_range on array range checking for poke descriptors
A flaw in Linux kernel BPF poke descriptor range checking could allow local attackers to bypass security restrictions, requiring a kernel patch.
- 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-2022-1005015?
GSD-2022-1005015 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
bpf: Don't use tnum_range on array range checking for poke descriptors
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 v5.19.6 by commit a36df92c7ff7ecde2fb362241d0ab024dddd0597, it was introduced in version v5.5 by commit d2e4c1e6c2947269346054ac8937ccfe9e0bcc6b. For more details please see the references link.
Which versions are affected by GSD-2022-1005015?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005015?
No fix has been published for GSD-2022-1005015 yet. Limit exposure of the affected software until one is available.
Is GSD-2022-1005015 being exploited?
There is no known exploitation of GSD-2022-1005015 in the wild and no public exploit code.