CVE-2023-3269 Public exploit High · 7.8 EPSS 1.3%
Distros-[dirtyvma] privilege escalation via non-rcu-protected vma traversal
Red Hat · Red Hat Enterprise Linux 6
Official description · CVE.org
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.
Priority scorePatchfirst’s 0 to 100 ranking. It adds points for CISA KEV listing, ransomware use, EPSS, threat reports, public exploit code and CVSS. Every CVE page shows the breakdown. Breakdown
59.6 / 100
- Exploited
- Yes, in VulnCheck KEV
- Reports
- 0
- Tactics
- 0/15
Exploitation timelineDated milestones for a CVE: when it was disclosed, when exploit code became public, when exploitation was confirmed, and when threat reports named it.
First seen exploited 17 months after disclosure. Public exploit code (PoC-in-GitHub) was available 13 days before disclosure.
- Public exploit codePoC-in-GitHub13 days before
- Disclosedday 0
- First seen exploitedVulnCheck KEV evidence+17 mo
MITRE ATT&CKA public catalogue of the techniques attackers use, maintained by MITRE. Patchfirst uses it to describe what attackers do with a vulnerability. techniques
No techniques linkedNo ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.