CVE-2025-22041

linux: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbd_sessions_dere...

CVE-2025-22041 is fixed in 36 products on 1 platform, first by DEBIAN-CVE-2025-22041, released April 16, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0070
53rd percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
kernel-uek · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-devel · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-devel · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-devel · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-devel · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-doc · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-doc · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-deprecated · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-deprecated · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-desktop · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-desktop · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-usb · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-usb · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-wireless · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-wireless · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-tools · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-tools · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-devel · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-devel · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-usb · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-usb · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
linux · Debian 12.15 (bookworm) 6.1.135-1 DEBIAN-CVE-2025-22041 Apr 16, 2025
linux · Debian 13.5 (trixie) 6.12.25-1 DEBIAN-CVE-2025-22041 Apr 16, 2025
linux · Debian 14 6.12.25-1 DEBIAN-CVE-2025-22041 Apr 16, 2025

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.