CVE-2025-22041

HIGH EPSS 42.6%
Published Apr 16, 20251y ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Apr 16, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_sessions_deregister() In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
42.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel* <6.1.134
linuxlinux_kernel*≥6.2  –  <6.6.87
linuxlinux_kernel*≥6.7  –  <6.12.13
linuxlinux_kernel*≥6.13  –  <6.13.11
linuxlinux_kernel*≥6.14  –  <6.14.2

References 7

  • git.kernel.org https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcd
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aa
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcd
    Patch