CVE-2023-3269
CVSS v3
7.8
HIGH
EPSS Score
1.3 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2023-07-11
Frequently asked questions
What is CVE-2023-3269?
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.
Is CVE-2023-3269 actively exploited?
Active exploitation of CVE-2023-3269 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-3269?
CVE-2023-3269 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2023-3269 affecting your environment?
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