CVE-2023-52746

low-risk
Published 2024-05-21

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.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.5/10 Low
LOCAL / HIGH complexity

Affected Products (8)

Affected Vendors

Linux

References (8)

Patch https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d
Patch https://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5
Patch https://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0
Patch https://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff
Patch https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d
Patch https://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5
Patch https://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0
Patch https://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff
20
/ 100
low-risk
Severity 6/34 · Minimal
Exploitability 0/34 · Minimal
Exposure 14/34 · Moderate