IT

Tracker / CVE-2023-52746

CVE-2023-52746

Low 2.5

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 and versions

linux linux_kernel
linux linux_kernel · 5.10 → 5.10.168
linux linux_kernel · 5.11 → 5.15.94
linux linux_kernel · 5.16 → 6.1.12

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References