CVE-2023-3159 Use after free in Kernel
A local attacker with special privileges can trigger a use-after-free in the Linux Kernel Firewire driver, potentially leading to code execution or privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-3159?
CVE-2023-3159 is a medium-severity use after free vulnerability in Linux kernel, published on 12 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A use after free issue was discovered in driver/firewire in outbound_phy_packet_callback in the Linux Kernel. In this flaw a local attacker with special privilege may cause a use after free problem when queue_event() fails.
Weakness: CWE-416
Which versions are affected by CVE-2023-3159?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2023-3159?
Apply the vendor's patch.
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 CVE-2023-3159 being exploited?
There is no known exploitation of CVE-2023-3159 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-27180, DEBIAN-CVE-2023-3159, GHSA-rfm6-5mxx-g3r7, UBUNTU-CVE-2023-3159.