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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/15a9605f8d69dc85005b1a00c31a050b8625e1aa cve-icon cve-icon
https://git.kernel.org/stable/c/33cc29e221df7a3085ae413e8c26c4e81a151153 cve-icon cve-icon
https://git.kernel.org/stable/c/8ed0e9d2f410f63525afb8351181eea36c80bcf1 cve-icon cve-icon
https://git.kernel.org/stable/c/a8a8ae303a8395cbac270b5b404d85df6ec788f8 cve-icon cve-icon
https://git.kernel.org/stable/c/ca042cc0e4f9e0d2c8f86dd67e4b22f30a516a9b cve-icon cve-icon
https://git.kernel.org/stable/c/f0eb3f575138b816da74697bd506682574742fcd cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html cve-icon
https://lore.kernel.org/linux-cve-announce/2025041600-CVE-2025-22041-6dbd@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-22041 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-22041 cve-icon
History

Mon, 03 Nov 2025 20:30:00 +0000

Type Values Removed Values Added
References

Fri, 25 Apr 2025 19:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Mon, 21 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-416
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

 ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Thu, 17 Apr 2025 14:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Low

Wed, 16 Apr 2025 14:30:00 +0000

Type Values Removed Values Added
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.
Title ksmbd: fix use-after-free in ksmbd_sessions_deregister()
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-04-16T14:11:58.250Z

Updated: 2025-11-03T19:41:23.122Z

Reserved: 2024-12-29T08:45:45.809Z

Link: CVE-2025-22041

cve-icon Vulnrichment

Updated: 2025-11-03T19:41:23.122Z

cve-icon NVD

Status : Modified

Published: 2025-04-16T15:15:56.693

Modified: 2025-11-03T20:17:39.210

Link: CVE-2025-22041

cve-icon Redhat

Severity : Low

Publid Date: 2025-04-16T00:00:00Z

Links: CVE-2025-22041 - Bugzilla