Security Advisory

CVE-2023-52746

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2024-05-21 15:23:07

Last updated 2026-05-11 19:32:24

Assigner Linux

State PUBLISHED

Description

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.

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