7.8

CVE-2025-21924: linux Incomplete Cleanup

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2025-21924DEBIAN-CVE-2025-21924
Published 01-04-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2025-21924 is a high (CVSS 7.8) Incomplete Cleanup vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.8% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.21%
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 44 · Related 42
DLA-4193-1DSA-5900-1SUSE-SU-2025:01614-1SUSE-SU-2025:01707-1SUSE-SU-2025:01919-1SUSE-SU-2025:01951-1

Timeline

  1. 01-04-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an error During the initialization of ptp, hclge_ptp_get_cycle might return an error and returned directly without unregister clock and free it. To avoid that, call hclge_ptp_destroy_clock to unregist and free clock if hclge_ptp_get_cycle failed.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

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

Ubuntu125 products
  • linux< 5.15.0-140.150 | < 6.8.0-84.84
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1084.91 | < 6.8.0-1039.41
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 8373cd38a8888549ace7c7617163a2e826970a92, < b7d8d4529984e2d4a72a6d552fb886233e8e83cb | ≥ 8373cd38a8888549ace7c7617163a2e826970a92, < 33244e98aa9503585e585335fe2ceb4492630949 | ≥ 8373cd38a8888549ace7c7617163a2e826970a92, < 2c04e507f3a5c5dc6e2b9ab37d8cdedee1ef1a37 | ≥ 8373cd38a8888549ace7c7617163a2e826970a92, < 9cfc43c0e6e6a31122b4008d763a2960c206aa2d | ≥ 8373cd38a8888549ace7c7617163a2e826970a92, < 21dba813d9821687a7f9aff576798ba21a859a32 | ≥ 8373cd38a8888549ace7c7617163a2e826970a92, < b7365eab39831487a84e63a9638209b68dc54008 | 5.14
  • linux_kernelEOL≥ 5.14.1, < 5.15.179 | ≥ 5.16, < 6.1.131 | ≥ 6.2, < 6.6.83 | ≥ 6.7, < 6.12.19 | ≥ 6.13, < 6.13.7 | 5.14 | 5.14:rc4 | 5.14:rc5 | 5.14:rc6 | 5.14:rc7 | 6.14:rc1 | 6.14:rc2 | 6.14:rc3 | 6.14:rc4 | 6.14:rc5
Debian1 product
  • linux< 6.1.133-1 | < 6.12.19-1

3 vendors · 128 products

References

43 links
Show all 43 references