CVE-2025-37909: debian debian_linux
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.
Advisory lineage
Upstream 0 · Downstream 48 · Related 43Timeline
- 20-05-2025PublishedVulnerability first disclosed.
- 15-10-2026Last 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- 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
0.23%
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- linux< 6.1.140-1 | < 6.12.29-1
- debian_linuxEOL11.0
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