5.5

CVE-2025-37909: debian debian_linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2025-37909DEBIAN-CVE-2025-37909
Published 20-05-2025Last modified 15-10-2026

Vulnerability summary

CVE-2025-37909 is a medium (CVSS 5.5) vulnerability in debian debian_linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.23%
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 48 · Related 43

Timeline

  1. 20-05-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: lan743x: Fix memleak issue when GSO enabled Always map the `skb` to the LS descriptor. Previously skb was mapped to EXT descriptor when the number of fragments is zero with GSO enabled. Mapping the skb to EXT descriptor prevents it from being freed, leading to a memory leak

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

+0.01 pp

From 0.22% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.23%

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

Ubuntu140 products
  • linuxAll versions (No fix recorded) | < 5.15.0-144.157 | < 6.8.0-100.100
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1088.95 | < 6.8.0-1046.49
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ 23f0703c125be490f70501b6b24ed5645775c56a, < 093855ce90177488eac772de4eefbb909033ce5f | ≥ 23f0703c125be490f70501b6b24ed5645775c56a, < 6c65ee5ad632eb8dcd3a91cf5dc99b22535f44d9 | ≥ 23f0703c125be490f70501b6b24ed5645775c56a, < df993daa4c968b4b23078eacc248f6502ede8664 | ≥ 23f0703c125be490f70501b6b24ed5645775c56a, < a0e0efbabbbe6a1859bc31bf65237ce91e124b9b | ≥ 23f0703c125be490f70501b6b24ed5645775c56a, < dae1ce27ceaea7e1522025b15252e3cc52802622 | ≥ 23f0703c125be490f70501b6b24ed5645775c56a, < 189b05f189cac9fd233ef04d31cb5078c4d09c39 | ≥ 23f0703c125be490f70501b6b24ed5645775c56a, < f42c18e2f14c1b1fdd2a5250069a84bc854c398c | ≥ 23f0703c125be490f70501b6b24ed5645775c56a, < 2d52e2e38b85c8b7bc00dca55c2499f46f8c8198 | 4.17
  • linux_kernel≥ 4.17, < 5.4.294 | ≥ 5.5, < 5.10.238 | ≥ 5.11, < 5.15.182 | ≥ 5.16, < 6.1.138 | ≥ 6.2, < 6.6.90 | ≥ 6.7, < 6.12.28 | ≥ 6.13, < 6.14.6 | 6.15:rc1 | 6.15:rc2 | 6.15:rc3 | 6.15:rc4

3 vendors · 144 products

References

49 links
Show all 49 references