GSD-2023-1001182 libbpf: Fix use-after-free in btf_dump_name_dups
A use-after-free vulnerability in libbpf's btf_dump_name_dups function could allow local attackers to execute arbitrary code or escalate privileges.
- 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-2023-1001182?
GSD-2023-1001182 is an use after free vulnerability in Kernel, published on 17 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
libbpf: Fix use-after-free in btf_dump_name_dups
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 v5.15.86 by commit a733bf10198eb5bb927890940de8ab457491ed3b, it was introduced in version v5.10 by commit 919d2b1dbb074d438027135ba644411931179a59. For more details please see the references link.
Which versions are affected by GSD-2023-1001182?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1001182?
No fix has been published for GSD-2023-1001182 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-2023-1001182 being exploited?
There is no known exploitation of GSD-2023-1001182 in the wild and no public exploit code.