5.5

CVE-2025-21660: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2025-21660DEBIAN-CVE-2025-21660
Published 21-01-2025Last modified 23-05-2026
Open JSON

Vulnerability summary

CVE-2025-21660 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.4% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.20%
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 18 · Related 16
DLA-4076-1DSA-5860-1MGASA-2025-0030MGASA-2025-0032USN-7379-1USN-7381-1

Timeline

  1. 21-01-2025
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix unexpectedly changed path in ksmbd_vfs_kern_path_locked When `ksmbd_vfs_kern_path_locked` met an error and it is not the last entry, it will exit without restoring changed path buffer. But later this buffer may be used as the filename for creation.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

0.00 pp

From 0.20% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.20%

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

Ubuntu100 products
  • linux< 6.8.0-60.63
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1029.31
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ d1b2d2a9c912fc7b788985fbaf944e80f4b3f2af, < 13e41c58c74baa71f34c0830eaa3c29d53a6e964 | ≥ 6ab95e27b77730de3fa2d601db3764490c5eede2, < 65b31b9d992c0fb0685c51a0cf09993832734fc4 | ≥ c5a709f08d40b1a082e44ffcde1aea4d2822ddd5, < 51669f4af5f7959565b48e55691ba92fabf5c587 | ≥ c5a709f08d40b1a082e44ffcde1aea4d2822ddd5, < 2ac538e40278a2c0c051cca81bcaafc547d61372 | d205cb1a13b37b2660df70a972dedc8c4ba1c2e8 | c1e27b70e79050530c671b9dab688386c86f039a | ≥ 6.1.113, < 6.1.125 | ≥ 6.6.54, < 6.6.72 | ≥ 6.10.13, < 6.11 | ≥ 6.11.2, < 6.12 | 6.12
  • linux_kernel≥ 6.1.113, < 6.1.125 | ≥ 6.6.54, < 6.6.72 | ≥ 6.10.13, < 6.11 | ≥ 6.11.2, < 6.12.10 | 6.13:rc1 | 6.13:rc2 | 6.13:rc3 | 6.13:rc4 | 6.13:rc5 | 6.13:rc6
Debian1 product
  • linux< 6.1.128-1 | < 6.12.10-1

3 vendors · 103 products

References

25 links
Show all 25 references