#VU64944 Use-after-free in Linux kernel - CVE-2022-33981

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Main Vulnerability Database Vulnerabilities #VU64944

#VU64944 Use-after-free in Linux kernel - CVE-2022-33981

Published: July 6, 2022


Vulnerability identifier: #VU64944
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-33981
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform denial of service attack.

The vulnerability exists due to a use-after-free error in drivers/block/floppy.c in the Linux kernel when deallocating raw_cmd in the raw_cmd_ioctl function(). A local user can trigger use-after-free and perform denial of service attack.


Remediation

Install updates from vendor's website.

External links