What is CVE-2023-52746?

CVE-2023-52746 is a low-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 2.5/10. Published 2024-05-21.

How severe is CVE-2023-52746?

Low severity. CVSS v3 base score is 2.5 out of 10.

Vulnerability in Linux

CVE-2023-52746

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.

Published 2024-05-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.5 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Linux — versions 5106f4a8acff480e244300bc5097c0ad7048c3a2, 5.10, 0
Linux Kernel — versions 6.2

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2023-52746?: CVE-2023-52746 is a low-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 2.5/10. Published 2024-05-21.
How severe is CVE-2023-52746?: Low severity. CVSS v3 base score is 2.5 out of 10.