Rewterz

Rewterz Threat Update – Update on HermeticRansom Targeting Ukraine – Russian-Ukrainian Cyber Warfare

March 7, 2022
Rewterz

Rewterz Threat Alert – FormBook Malware – Active IOCs

March 8, 2022

Rewterz Threat Advisory – CVE-2022-0847 – Linux Kernel Vulnerability

Severity

Medium

Analysis Summary

CVE-2022-0847

Linux Kernel could allow a locally authenticated attacker to gain elevated privileges on the system, caused by improper initialization in the copy_page_to_iter_pipe and push_pipe functions. By writing to pages in the page cache backed by read-only files, an authenticated attacker could exploit this vulnerability to gain elevated privileges.

Impact

  • Privilege Escalation

Indicators Of Compromise

CVE

  • CVE-2022-0847

Affected Vendors

Linux

Affected Products

  • Linux Kernel 5.10
  • Linux Kernel 5.15
  • Linux Kernel 5.16

Remediation

Upgrade to the latest version of Linux Kernel, available from the Linux Kernel Web site.

https://kernel.org/

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.