CVE-2025-37823

HIGH EPSS 6.8%
Published May 8, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published May 8, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too Similarly to the previous patch, we need to safe guard hfsc_dequeue() too. But for this one, we don't have a reliable reproducer.

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
6.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 16

VendorProductVersionRange
linuxlinux_kernel*≥2.6.13  –  <5.4.293
linuxlinux_kernel*≥5.5  –  <5.10.237
linuxlinux_kernel*≥5.11  –  <5.15.181
linuxlinux_kernel*≥5.16  –  <6.1.136
linuxlinux_kernel*≥6.2  –  <6.6.89
linuxlinux_kernel*≥6.7  –  <6.12.26
linuxlinux_kernel*≥6.13  –  <6.14.5
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
linuxlinux_kernel2.6.12any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
linuxlinux_kernel6.15any
debiandebian_linux11.0any

References 10

  • git.kernel.org https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f46d14919c39528c6e540ebc43f90055993eedc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/68f256305ceb426d545a0dc31f83c2ab1d211a1e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6ccbda44e2cc3d26fd22af54c650d6d5d801addf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/76c4c22c2437d3d3880efc0f62eca06ef078d290
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6936266f8bf98a53f28ef9a820e6a501e946d09
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6f035044104c6ff656f4565cd22938dc892528c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da7936518996d290e2fcfcaf6cd7e15bfd87804a
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f46d14919c39528c6e540ebc43f90055993eedc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/68f256305ceb426d545a0dc31f83c2ab1d211a1e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6ccbda44e2cc3d26fd22af54c650d6d5d801addf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/76c4c22c2437d3d3880efc0f62eca06ef078d290
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6936266f8bf98a53f28ef9a820e6a501e946d09
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6f035044104c6ff656f4565cd22938dc892528c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da7936518996d290e2fcfcaf6cd7e15bfd87804a
    Patch