CVE-2022-1679 Use after free in Kernel
A local attacker can trigger a use-after-free in the Atheros wireless driver to crash the system or escalate privileges.
- 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-2022-1679?
CVE-2022-1679 is a high-severity use after free vulnerability in Debian Debian Linux, published on 16 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A use-after-free flaw was found in the Linux kernel’s Atheros wireless adapter driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Weakness: CWE-416
Which versions are affected by CVE-2022-1679?
It affects 10 products.
Linux distribution packages (1)
kernel-source openSUSE:Tumbleweed | All versions | 5.18.6-1.1 |
Products include Debian Debian Linux, Linux kernel, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware and 4 more.
How do I fix CVE-2022-1679?
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-2022-1679 being exploited?
There is no known exploitation of CVE-2022-1679 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2022-1679, GHSA-vcc2-324q-xw5m, UBUNTU-CVE-2022-1679, openSUSE-SU-2024:12155-1.