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Low severity2.5NVD Advisory· Published May 21, 2024· Updated Jun 17, 2026

CVE-2023-52746

CVE-2023-52746

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.

Affected products

56

Patches

Vulnerability mechanics

References

4

News mentions

0

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