CVE-2023-3269

Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal

Published Jul 11, 2023 CVSS 3.1 · 7.8 High EPSS 1.3% KEV · Not listed
Description
A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5448-1 linux security update
EUVD EUVD EUVD-2023-43945 A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.
Ubuntu USN Ubuntu USN USN-6249-1 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-6250-1 Linux kernel vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Mar 5, 2025, 6:54 PM
Reserved
Jun 15, 2023, 10:41 AM
Status
Modified
Published
Jul 11, 2023, 12:15 PM
Modified
Jun 17, 2026, 6:13 AM
Severity
Important
Public date
Jul 5, 2023, 12:00 AM