SB2021033034 - Information disclosure in Linux kernel qrtr implementation

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Main Vulnerability Database SB2021033034

SB2021033034 - Information disclosure in Linux kernel qrtr implementation

Published: March 30, 2021 Updated: October 4, 2021

Security Bulletin ID SB2021033034
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Information disclosure (CVE-ID: CVE-2021-29647)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to an error in qrtr_recvmsg(0 function in net/qrtr/qrtr.c caused by a partially uninitialized data structure. A local user can read sensitive information from kernel memory.


Remediation

Install update from vendor's website.

References