Use of uninitialized resource in Linux kernel - CVE-2021-34693

 

Use of uninitialized resource in Linux kernel - CVE-2021-34693

Published: July 22, 2021


Vulnerability identifier: #VU55263
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-34693
CWE-ID: CWE-908
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 gain access to sensitive information.

The vulnerability exists due to net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links