SB2022092233 - Information disclosure in Linux kernel stex_queuecommand_lck
Published: September 22, 2022
Security Bulletin ID
SB2022092233
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2022-40768)
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to improper access restrictions in the drivers/scsi/stex.c in the Linux kernel. A local user can obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.
Remediation
Install update from vendor's website.