CISA Warns of Active Exploitation of Linux Kernel Privilege Escalation Vulnerability

CISA Warns of Active Exploitation of Linux Kernel Privilege Escalation Vulnerability

The U.S. CISA has added a critical Linux kernel security flaw, CVE-2023-0386, to its KEV catalog due to active exploitation. This vulnerability enables privilege escalation through improper ownership management in OverlayFS, affecting Linux systems. #CISA #CVE-2023-0386

Keypoints

  • The CVE-2023-0386 vulnerability impacts the Linux kernel’s OverlayFS subsystem.
  • It allows local users to escalate privileges by smuggling SUID binaries across directories.
  • The flaw was patched earlier in 2023, but active exploitation has been reported.
  • Security firms like Datadog and Wiz have highlighted the ease of exploiting this weakness.
  • FCEB agencies must install patches by July 8, 2025, to prevent potential threats.

Read More: https://thehackernews.com/2025/06/cisa-warns-of-active-exploitation-of.html