CVE-2023-52746 — xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()
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 (…
Published: 2024-05-21 · CVSS: 2.5 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7