GSD-2023-1000798 libbpf: Fix null-pointer dereference in find_prog_by_sec_insn()
A null-pointer dereference in libbpf can cause a denial of service, requiring local access to trigger.
- 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-2023-1000798?
GSD-2023-1000798 is a 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 null-pointer dereference in find_prog_by_sec_insn()
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 v6.0.16 by commit a6d3fc04de131c09ff8fe906c07b3831e389f5c9, it was introduced in version v5.10 by commit db2b8b06423c7eb4abcb4310b7234f00b30d7730. For more details please see the references link.
Which versions are affected by GSD-2023-1000798?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2023-1000798?
No fix has been published for GSD-2023-1000798 yet. Limit exposure of the affected software until one is available.
Is GSD-2023-1000798 being exploited?
There is no known exploitation of GSD-2023-1000798 in the wild and no public exploit code.