GSD-2022-1005284 bpf, x86: fix freeing of not-finalized bpf_prog_pack
A use-after-free vulnerability in the Linux kernel BPF subsystem allows local attackers with high privileges to potentially execute arbitrary code or 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-2022-1005284?
GSD-2022-1005284 is an use after free 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, x86: fix freeing of not-finalized bpf_prog_pack
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 v5.19.2 by commit 60e66074812dde9cde3d99cdd3caa9e40f1a4516, it was introduced in version v5.18 by commit 1022a5498f6f745c3b5fd3f050a5e11e7ca354f0. For more details please see the references link.
Which versions are affected by GSD-2022-1005284?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005284?
No fix has been published for GSD-2022-1005284 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-2022-1005284 being exploited?
There is no known exploitation of GSD-2022-1005284 in the wild and no public exploit code.