CVE-2022-29156 Use after free in n/a
A double free vulnerability in the Linux kernel's InfiniBand RTRS client allows attackers to cause denial of service or potentially execute code.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-29156?
CVE-2022-29156 is a high-severity use after free vulnerability in Linux kernel, published on 13 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
drivers/infiniband/ulp/rtrs/rtrs-clt.c in the Linux kernel before 5.16.12 has a double free related to rtrs_clt_dev_release.
Weakness: CWE-415
Which versions are affected by CVE-2022-29156?
It affects 9 products.
Products include Linux kernel, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500e Firmware and 3 more.
How do I fix CVE-2022-29156?
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-2022-29156 being exploited?
There is no known exploitation of CVE-2022-29156 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as AZL-9355, DEBIAN-CVE-2022-29156, GHSA-3mww-r5c8-cgph, UBUNTU-CVE-2022-29156.