#VU64263 Use-after-free


Published: 2022-06-14

Vulnerability identifier: #VU64263

Vulnerability risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-1974

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local privileged user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Linux kernel's NFC core functionality due to a race condition between kobject creation and delete. A local attacker with CAP_NET_ADMIN privilege can leak kernel information and escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel: All versions


CPE

External links
http://www.debian.org/security/2022/dsa-5161
http://bugzilla.redhat.com/show_bug.cgi?id=2084443


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?


Latest bulletins with this vulnerability