CVE-2023-52746

low

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.

References

https://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff

https://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0

https://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5

https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d

Details

Source: Mitre, NVD

Published: 2024-05-21

Updated: 2024-11-07

Risk Information

CVSS v2

Base Score: 1

Vector: CVSS2#AV:L/AC:H/Au:S/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 2.5

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Severity: Low