SB2022081222 - Red Hat Enterprise Linux for Real Time 9 update for kernel-rt

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2022081222

SB2022081222 - Red Hat Enterprise Linux for Real Time 9 update for kernel-rt

Published: August 12, 2022

Security Bulletin ID SB2022081222
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2022-0494)

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

The vulnerability exists due to excessive data output in the scsi_ioctl() function in drivers/scsi/scsi_ioctl.c in the Linux kernel. A local user with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) can gain unauthorized access to sensitive information on the system.


2) Use-after-free (CVE-ID: CVE-2022-1055)

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

The vulnerability exists due to a use-after-free error within the tc_new_tfilter in Linux kernel. A local user can run a specially crafted program to trigger a use-after-free error and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References