GSD-2022-1005684 bpf: Fix KASAN use-after-free Read in compute_effective_progs
A use-after-free vulnerability in the Linux kernel BPF subsystem allows local attackers to potentially escalate privileges or cause a system crash.
- 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-2022-1005684?
GSD-2022-1005684 is an use after free vulnerability in Kernel, published on 17 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
bpf: Fix KASAN use-after-free Read in compute_effective_progs
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 v5.15.61 by commit 1f8ca9c40e6222ce431e9ba5dae3cccce8ef9443, it was introduced in version v5.7 by commit af6eea57437a830293eab56246b6025cc7d46ee7. For more details please see the references link.
Which versions are affected by GSD-2022-1005684?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005684?
No fix has been published for GSD-2022-1005684 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-2022-1005684 being exploited?
There is no known exploitation of GSD-2022-1005684 in the wild and no public exploit code.