Rewterz

Rewterz Threat Advisory – CVE-2021-4034 – PwnKit Vulnerability in Linux

January 27, 2022
Rewterz

Rewterz Threat Advisory – CVE-2022-23181 – Apache Tomcat Vulnerability

January 28, 2022

Rewterz Threat Advisory – CVE-2022-22942 – Linux Kernel Vulnerabaility

Severity

Medium

Analysis Summary

CVE-2022-22942 

Linux Kernel could allow a local authenticated attacker to obtain sensitive information, caused by improper file descriptor handling in the vmwgfx driver. By sending a specially-crafted ioctl call, an attacker could exploit this vulnerability to gain access to files opened by other processes on the system, and use this information to launch further attacks against the affected system.

Impact

  • Information Disclosure

Affected Vendors

Linux

Affected Products

  • Linux Kernel 4.15
  • Linux Kernel 4.14
  • Linux Kernel 4.16
  • Linux Kernel 4.17
  • Linux Kernel 4.18
  • Linux Kernel 4.19
  • Linux Kernel 4.20
  • Linux Kernel 5.0
  • Linux Kernel 5.1
  • Linux Kernel 5.2
  • Linux Kernel 5.3
  • Linux Kernel 5.4
  • Linux Kernel 5.5
  • Linux Kernel 5.6.0
  • Linux Kernel 5.7.0
  • Linux Kernel 5.8.0
  • Linux Kernel 5.9
  • Linux Kernel 5.10
  • Linux Kernel 5.11
  • Linux Kernel 5.12
  • Linux Kernel 5.13
  • Linux Kernel 5.14
  • Linux Kernel 5.15
  • Linux Kernel 5.16

Remediation

Refer to Linux Kernel Advisory for patch, upgrade or suggested workaround information.

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a0f90c881570

Reading this advisory was a good start.

Make it a habit.

Rewterz publishes threat advisories ahead of mainstream cybersecurity media, informed by an AI-Native Autonomous SOC that sees regional threat actor activity in real time. Subscribe to receive each new advisory as it publishes, plus a monthly Middle East threat landscape brief drawn from our own SOC telemetry. For teams evaluating their detection coverage, a 30-minute consultation with a senior analyst is also available, at your pace, when you're ready.