VULNERABILITY INTELLIGENCE

CVE-2023-3773

CVSS score5.5 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2023-07-25
Last modified2026-10-14
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to cause a 4 byte out-of-bounds read of XFRMA_MTIMER_THRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.

Weakness classification

  • CWE-125: Out-of-bounds Read

Primary references