CVE-2025-21665: linux Infinite Loop
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2025-21665DEBIAN-CVE-2025-21665
Published 31-01-2025Last modified 11-05-2026
Vulnerability summary
CVE-2025-21665 is a medium (CVSS 5.5) Infinite Loop vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.2% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 31 · Related 29DLA-4076-1DSA-5860-1SUSE-SU-2025:0564-1SUSE-SU-2025:0847-1SUSE-SU-2025:0856-1SUSE-SU-2025:0955-1SUSE-SU-2025:20190-1SUSE-SU-2025:20192-1SUSE-SU-2025:20260-1SUSE-SU-2025:20270-1USN-7387-1USN-7387-2USN-7387-3USN-7388-1USN-7389-1USN-7390-1USN-7407-1USN-7421-1USN-7445-1USN-7448-1USN-7458-1USN-7459-1USN-7459-2USN-7595-1USN-7595-2USN-7595-3USN-7595-4USN-7595-5USN-7596-1USN-7596-2USN-7653-1
Timeline
- 31-01-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: filemap: avoid truncating 64-bit offset to 32 bits On 32-bit kernels, folio_seek_hole_data() was inadvertently truncating a 64-bit value to 32 bits, leading to a possible infinite loop when writing to an xfs filesystem.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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 score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu124 products
- linux< 5.15.0-135.146 | < 6.8.0-62.65
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 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≥ 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d, < 64e5fd96330df2ad278d1c4edcca581f26e5f76e | ≥ 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d, < 80fc836f3ebe2f2d2d2c80c698b7667974285a04 | ≥ 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d, < 09528bb1a4123e2a234eac2bc45a0e51e78dab43 | ≥ 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d, < 280f1fb89afc01e7376f59ae611d54ca69e9f967 | ≥ 54fa39ac2e00b1b8c2a7fe72e648773ffa48f76d, < f505e6c91e7a22d10316665a86d79f84d9f0ba76 | 5.12
- linux_kernel≥ 5.12, < 5.15.177 | ≥ 5.16, < 6.1.127 | ≥ 6.2, < 6.6.74 | ≥ 6.7, < 6.12.11 | 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 | < 6.12.11-1
3 vendors · 127 products
