7.8

CVE-2025-21699: linux

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2025-21699DEBIAN-CVE-2025-21699
Published 12-02-2025Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2025-21699 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.3% 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
0.25%
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 51 · Related 47
DLA-4075-1DLA-4076-1MGASA-2025-0078MGASA-2025-0079SUSE-SU-2025:0784-1SUSE-SU-2025:0833-1

Timeline

  1. 12-02-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag Truncate an inode's address space when flipping the GFS2_DIF_JDATA flag: depending on that flag, the pages in the address space will either use buffer heads or iomap_folio_state structs, and we cannot mix the two.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.25%

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

Ubuntu137 products
  • linuxAll versions (No fix recorded) | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-62.65
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1142.152 | < 5.15.0-1080.87 | < 6.8.0-1030.32
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 2164f9b9186962ffb7c687e18ec6f5255525f09d, < 8c41abc11aa8438c9ed2d973f97e66674c0355df | ≥ 2164f9b9186962ffb7c687e18ec6f5255525f09d, < 4e3ded34f3f3c9d7ed2aac7be8cf51153646574a | ≥ 2164f9b9186962ffb7c687e18ec6f5255525f09d, < 2a40a140e11fec699e128170ccaa98b6b82cb503 | ≥ 2164f9b9186962ffb7c687e18ec6f5255525f09d, < 4dd57d1f0e9844311c635a7fb39abce4f2ac5a61 | ≥ 2164f9b9186962ffb7c687e18ec6f5255525f09d, < 4516febe325342555bb09ca5b396fb816d655821 | ≥ 2164f9b9186962ffb7c687e18ec6f5255525f09d, < 5bb1fd0855bb0abc7d97e44758d6ffed7882d2d0 | ≥ 2164f9b9186962ffb7c687e18ec6f5255525f09d, < 7c9d9223802fbed4dee1ae301661bf346964c9d2 | 5.10
  • linux_kernelEOL< 5.4.290 | ≥ 5.5, < 5.10.234 | ≥ 5.11, < 5.15.178 | ≥ 5.16, < 6.1.128 | ≥ 6.2, < 6.6.75 | ≥ 6.7, < 6.12.12 | 6.13 | 6.13:rc1 | 6.13:rc2 | 6.13:rc3 | 6.13:rc4 | 6.13:rc5 | 6.13:rc6 | 6.13:rc7
Debian1 product
  • linux< 6.1.128-1 | < 6.12.12-1

3 vendors · 140 products

References

47 links
Show all 47 references