9.8

CVE-2023-52687: linux Unchecked Return Value

CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2023-52687DEBIAN-CVE-2023-52687
Published 17-05-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2023-52687 is a critical (CVSS 9.8) Unchecked Return Value vulnerability in linux. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.8% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.60%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 13 · Related 15
SUSE-SU-2024:2135-1SUSE-SU-2024:2203-1SUSE-SU-2024:2973-1SUSE-SU-2025:20008-1SUSE-SU-2025:20028-1SUSE-SU-2025:20166-1

Timeline

  1. 17-05-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

0.00 pp

From 0.60% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu75 products
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.19All versions (No fix recorded)
Linux2 products
  • linux≥ 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1, < 4c0ac81a172a69a7733290915276672787e904ec | ≥ 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1, < 8084b788c2fb1260f7d44c032d5124680b20d2b2 | ≥ 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1, < fc0b785802b856566df3ac943e38a072557001c4 | ≥ 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1, < 87e02063d07708cac5bfe9fd3a6a242898758ac8 | 6.1
  • linux_kernel≥ 6.1, < 6.1.75 | ≥ 6.2, < 6.6.14 | ≥ 6.7, < 6.7.2
Debian1 product
  • linux< 6.1.76-1 | < 6.6.15-1

3 vendors · 78 products

References

16 links
Show all 16 references