7.3

CVE-2025-21830: linux

CVSS: 7.3v3.1HighModified
AliasesUBUNTU-CVE-2025-21830DEBIAN-CVE-2025-21830
Published 06-03-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2025-21830 is a high (CVSS 7.3) vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
0.18%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 34 · Related 34
DLA-4102-1SUSE-SU-2025:01919-1SUSE-SU-2025:1177-1SUSE-SU-2025:1178-1SUSE-SU-2025:1180-1SUSE-SU-2025:20190-1

Timeline

  1. 06-03-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: landlock: Handle weird files A corrupted filesystem (e.g. bcachefs) might return weird files. Instead of throwing a warning and allowing access to such file, treat them as regular files.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.01 pp

From 0.18% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.18%

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

Ubuntu124 products
  • linux< 5.15.0-140.150 | < 6.8.0-64.67
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1084.91 | < 6.8.0-1032.34
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ cb2c7d1a1776057c9a1f48ed1250d85e94d4850d, < a1fccf6b72b56343dd4f2d96b008147f9951eebd | ≥ cb2c7d1a1776057c9a1f48ed1250d85e94d4850d, < 7d6121228959ddf44a4b9b6a177384ac7854e2f9 | ≥ cb2c7d1a1776057c9a1f48ed1250d85e94d4850d, < 39bb3d56f1c351e76bb18895d0e73796e653d5c1 | ≥ cb2c7d1a1776057c9a1f48ed1250d85e94d4850d, < 2569e65d2eb6ac1afe6cb6dfae476afee8b6771a | ≥ cb2c7d1a1776057c9a1f48ed1250d85e94d4850d, < 0fde195a373ab1267e60baa9e1a703a97e7464cd | ≥ cb2c7d1a1776057c9a1f48ed1250d85e94d4850d, < 49440290a0935f428a1e43a5ac8dc275a647ff80 | 5.13
  • linux_kernel≥ 5.13, < 5.15.179 | ≥ 5.16, < 6.1.129 | ≥ 6.2, < 6.6.76 | ≥ 6.7, < 6.12.13 | ≥ 6.13, < 6.13.2
Debian1 product
  • linux< 6.1.129-1 | < 6.12.13-1

3 vendors · 127 products

References

38 links
Show all 38 references