7.8

CVE-2025-37798: debian debian_linux

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2025-37798DEBIAN-CVE-2025-37798
Published 02-05-2025Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2025-37798 is a high (CVSS 7.8) vulnerability in debian debian_linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.6% 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
0.23%
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 84 · Related 82
DLA-4193-1DLA-4327-1OPENSUSE-SU-2025:20081-1SUSE-SU-2025:01614-1SUSE-SU-2025:01707-1SUSE-SU-2025:01919-1

Timeline

  1. 02-05-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: codel: remove sch->q.qlen check before qdisc_tree_reduce_backlog() After making all ->qlen_notify() callbacks idempotent, now it is safe to remove the check of qlen!=0 from both fq_codel_dequeue() and codel_qdisc_dequeue().

CVSS metrics

4 scores · 4 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 19-09-2026

19-09-202619-10-2026
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

No weakness data has been published for this record.

Affected systems

Ubuntu136 products
  • linuxAll versions (No fix recorded) | < 4.4.0-270.304 | < 4.15.0-239.251 | < 5.4.0-219.239 | < 5.15.0-143.153 | < 6.8.0-63.66
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.4.0-1145.151 | < 4.4.0-1183.198 | < 4.15.0-1182.195 | < 5.4.0-1148.158 | < 5.15.0-1087.94 | < 6.8.0-1031.33
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < 7a742a9506849d1c1aa71e36c89855ceddc7d58e | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < cc71a757da78dd4aa1b4a9b19cb011833730ccf2 | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450 | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < 829c49b6b2ff45b043739168fd1245e4e1a91a30 | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < 2f9761a94bae33d26e6a81b31b36e7d776d93dc1 | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < 4d55144b12e742404bb3f8fee6038bafbf45619d | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < e73c838c80dccb9e4f19becc11d9f3cb4a27d483 | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31 | ≥ 76e3cc126bb223013a6b9a0e2a51238d1ef2e409, < 342debc12183b51773b3345ba267e9263bdfaaef | 3.5
  • linux_kernel≥ 3.5, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.1.135 | ≥ 6.2, < 6.6.88 | ≥ 6.7, < 6.12.24 | ≥ 6.13, < 6.13.12 | ≥ 6.14, < 6.14.3 | 6.15:rc1

3 vendors · 140 products

References

48 links
Show all 48 references