Use-after-free in Linux kernel - CVE-2025-22023

 

Use-after-free in Linux kernel - CVE-2025-22023

Published: April 22, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU107681
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-22023
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the handle_tx_event() function in drivers/usb/host/xhci-ring.c. A local user can escalate privileges on the system.


Affected software

Linux kernel
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Live Patching
Ubuntu
kernel-livepatch-6_4_0-150700_51-default-debuginfo
kernel-livepatch-6_4_0-150700_51-default
kernel-livepatch-SLE15-SP7_Update_0-debugsource
linux (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.11 (Ubuntu package)
linux-aws (Ubuntu package)

How to mitigate CVE-2025-22023

Install update from vendor's website.

Linux kernel - update to 6.14.1
kernel-livepatch-6_4_0-150700_51-default-debuginfo - update to 5-150700.3.12.2
kernel-livepatch-6_4_0-150700_51-default - update to 5-150700.3.12.2
kernel-livepatch-SLE15-SP7_Update_0-debugsource - update to 5-150700.3.12.2
linux (Ubuntu package) - addressed in versions 6.11.0-28.28, 6.11.0-28.28~24.04.1, 6.11.0-1011.11, 6.11.0-1014.14, 6.11.0-1015.16, 6.11.0-1016.16, 6.11.0-1016.16~24.04.1, 6.11.0-1017.18, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-lowlatency (Ubuntu package) - addressed in versions 6.11.0-1015.16, 6.11.0-1015.16~24.04.2
linux-azure (Ubuntu package) - addressed in versions 6.11.0-1018.18, 6.11.0-1018.18~24.04.1, 6.14.0-1007.7
linux-oem-6.11 (Ubuntu package) - update to 6.11.0-1024.24
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

External References

Related Security Bulletins