Linux Kernel netdevsim Improper Update of Reference Count Denial-of-Service Vulnerability
Vulnerability Details
This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the scheduling of events. The issue results from the improper management of a reference count. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Additional Details
Linux has issued an update to correct this vulnerability. More details can be found at:
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=180a6a3ee60a
Disclosure Timeline
- 2022-07-19 - Vulnerability reported to vendor
- 2023-04-13 - Coordinated public release of advisory
Credit
Lucas Leong (@_wmliang_) of Trend Micro Zero Day Initiative
