CVE-2023-52746: Linux Kernel

Low severity, CVSS 2.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr() int type = nla_type(nla); if (type > XFRMA_MAX) { return -EOPNOTSUPP; } @type is then used as an array index and can be used as a Spectre v1 gadget. if (nla_len(nla) < compat_policy[type].len) { array_index_nospec() can be used to prevent leaking content of kernel memory to malicious users.

Affected products

• Linux Linux Kernel: from 5.10, before 5.10.168 (fixed in 5.10.168); from 5.11, before 5.15.94 (fixed in 5.15.94); from 5.16, before 6.1.12 (fixed in 6.1.12); version 6.2 only

Published 2024-05-21. Last modified 2026-06-17.