#VU77324 Race condition in Linux kernel - CVE-2022-44033

Vulnerability identifier: #VU77324

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2022-44033

CWE-ID: CWE-362

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Linux kernel

Software vendor:
Linux Foundation

The vulnerability allows an attacker to escalate privileges on the system.

The vulnerability exists due to a race condition in drivers/char/pcmcia/cm4040_cs.c in Linux kernel. An attacker with physical access to device can remove the PCMCIA device while calling open() to trigger a use-after-free error and execute arbitrary code on the system.

Install updates from vendor's website.

• https://lore.kernel.org/lkml/20220919040457.GA302681@ubuntu/
• https://lore.kernel.org/lkml/20220915020834.GA110086@ubuntu/