What is CVE-2023-52687?

CVE-2023-52687 is a critical-severity vulnerability in Linux, classified under CWE-252. CVSS score: 9.8/10. Published 2024-05-17.

How severe is CVE-2023-52687?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Linux

CVE-2023-52687

In the Linux kernel, the following vulnerability has been resolved: crypto: safexcel - Add error handling for dma_map_sg() calls Macro dma_map_sg() may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previously mapped buffers with dma_unmap_sg(). Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE.

Published 2024-05-17 · last modified 2026-08-04.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Linux — versions 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1, 6.1, 0
Linux Kernel

Weakness classification (CWE)

CWE-252

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-2023-52687?: CVE-2023-52687 is a critical-severity vulnerability in Linux, classified under CWE-252. CVSS score: 9.8/10. Published 2024-05-17.
How severe is CVE-2023-52687?: Critical severity. CVSS v3 base score is 9.8 out of 10.