CVE-2025-37798

HIGH EPSS 6.6%
Published May 2, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published May 2, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
6.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥3.5  –  <5.4.297
linuxlinux_kernel*≥5.5  –  <5.10.241
linuxlinux_kernel*≥5.11  –  <5.15.190
linuxlinux_kernel*≥5.16  –  <6.1.135
linuxlinux_kernel*≥6.2  –  <6.6.88
linuxlinux_kernel*≥6.7  –  <6.12.24
linuxlinux_kernel*≥6.13  –  <6.13.12
linuxlinux_kernel*≥6.14  –  <6.14.3
linuxlinux_kernel6.15any
debiandebian_linux11.0any

References 11

  • git.kernel.org https://git.kernel.org/stable/c/2f9761a94bae33d26e6a81b31b36e7d776d93dc1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/342debc12183b51773b3345ba267e9263bdfaaef
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4d55144b12e742404bb3f8fee6038bafbf45619d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7a742a9506849d1c1aa71e36c89855ceddc7d58e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/829c49b6b2ff45b043739168fd1245e4e1a91a30
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cc71a757da78dd4aa1b4a9b19cb011833730ccf2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e73c838c80dccb9e4f19becc11d9f3cb4a27d483
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
    Issue TrackingThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Issue TrackingThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/2f9761a94bae33d26e6a81b31b36e7d776d93dc1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/342debc12183b51773b3345ba267e9263bdfaaef
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4d55144b12e742404bb3f8fee6038bafbf45619d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7a742a9506849d1c1aa71e36c89855ceddc7d58e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/829c49b6b2ff45b043739168fd1245e4e1a91a30
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a57fe60ef4cf96bfbb6b58397ec28bdb5a5c6b31
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cc71a757da78dd4aa1b4a9b19cb011833730ccf2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e73c838c80dccb9e4f19becc11d9f3cb4a27d483
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/eda741fe155ddf5ecd2dd3bfbd4fc3c0c7dbb450
    Patch