CVE-2025-39940: linux Integer Overflow or Wraparound
CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-39940DEBIAN-CVE-2025-39940
Published 04-10-2025Last modified 11-05-2026
Vulnerability summary
CVE-2025-39940 is a medium (CVSS 5.5) Integer Overflow or Wraparound vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.2% of scored vulnerabilities.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
0.14%
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 10 · Related 10Timeline
- 04-10-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: dm-stripe: fix a possible integer overflow There's a possible integer overflow in stripe_io_hints if we have too large chunk size. Test if the overflow happened, and if it did, don't set limits->io_min and limits->io_opt;
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 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
EPSS trend
Probability
0.14%
Chance of exploitation in the next 30 days
Percentile
3%
Versus all other CVEs
30-day change
0.00 pp
From 0.14% on 19-09-2026
19-09-202619-10-2026
EPSS score0.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu149 products
- linuxAll versions (No fix recorded) | < 6.8.0-106.106
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1050.53
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 40bea431274c247425e7f5970d796ff7b37a2b22, < f8f64254bca5ae58f3b679441962bda4c409f659 | ≥ 40bea431274c247425e7f5970d796ff7b37a2b22, < ee27658c239b27721397f3e4eb16370b5cce596e | ≥ 40bea431274c247425e7f5970d796ff7b37a2b22, < 1071d560afb4c245c2076494226df47db5a35708 | 2.6.31
- linux_kernel≥ 2.6.31.1, < 6.12.49 | ≥ 6.13, < 6.16.9 | 2.6.31 | 2.6.31:rc9 | 6.17:rc1 | 6.17:rc2 | 6.17:rc3 | 6.17:rc4 | 6.17:rc5 | 6.17:rc6
Debian1 product
- linuxAll versions (No fix recorded) | < 6.12.57-1 | < 6.16.9-1
3 vendors · 152 products
