CVE-2023-3773EPSS p15.5%
CVE-2023-3773CVE-2023-3773
redhat / enterprise_linux
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.
Scoring
| CVSS | 5.5 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.25% probability of exploitation · percentile 15.5% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-14 |