8.8

CVE-2025-37956: linux

CVSS: 8.8v3.1HighModified
AliasesUBUNTU-CVE-2025-37956DEBIAN-CVE-2025-37956
Published 20-05-2025Last modified 05-08-2026

Vulnerability summary

CVE-2025-37956 is a high (CVSS 8.8) vulnerability in linux. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.4% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.38%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 21 · Related 19

Timeline

  1. 20-05-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent rename with empty string Client can send empty newname string to ksmbd server. It will cause a kernel oops from d_alloc. This patch return the error when attempting to rename a file or directory with an empty new name string.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.38%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

+0.03 pp

From 0.35% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.38%

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

No weakness data has been published for this record.

Affected systems

Ubuntu133 products
  • linuxAll versions (No fix recorded) | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 6ee551672c8cf36108b0cfba92ec0c7c28ac3439 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < c57301e332cc413fe0a7294a90725f4e21e9549d | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < d7f2c00acb1ef64304fd40ac507e9213ff1d9b5c | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 53e3e5babc0963a92d856a5ec0ce92c59f54bc12 | 5.15
  • linux_kernel≥ 5.15, < 6.6.91 | ≥ 6.7, < 6.12.29 | ≥ 6.13, < 6.14.7 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3 | 6.15:rc4 | 6.15:rc5
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.12.29-1

3 vendors · 136 products

References

28 links
Show all 28 references