Use-after-free in Linux kernel - CVE-2025-22085

Vulnerability identifier: #VU107668

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-2025-22085

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a use-after-free error within the ib_device_notify_register() function in drivers/infiniband/core/device.c. A local user can escalate privileges on the system.

Linux kernel
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Basesystem Module
Public Cloud Module
Legacy Module
Development Tools Module
Ubuntu
Netezza Appliance
kernel-livepatch-6_4_0-150700_7_3-rt
kernel-livepatch-SLE15-SP7-RT_Update_1-debugsource
kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo
kernel-livepatch-6_4_0-150700_53_3-default-debuginfo
kernel-livepatch-6_4_0-150700_53_3-default
kernel-livepatch-SLE15-SP7_Update_1-debugsource
kernel (Red Hat package)
kernel-rt-devel-debuginfo
kernel-rt
kernel-rt_debug
kernel-rt-debuginfo
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
kernel-rt-debugsource
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debuginfo
cluster-md-kmp-rt
kernel-devel-rt
kernel-source-rt
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
kernel-rt_debug-debugsource
dlm-kmp-rt
kernel-rt_debug-devel
kernel-rt_debug-devel-debuginfo
gfs2-kmp-rt-debuginfo
kernel-syms-rt
kernel-rt-devel
kernel-azure-devel-debuginfo
kernel-source-azure
kernel-devel-azure
kernel-syms-azure
kernel-azure-debuginfo
kernel-azure-debugsource
kernel-azure-devel
kernel-azure
cluster-md-kmp-default-debuginfo
kernel-64kb
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-source
kernel-default-extra
ocfs2-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default
kernel-default-extra-debuginfo
ocfs2-kmp-default
cluster-md-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default
kernel-default-debuginfo
kernel-default-debugsource
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-docs
kernel-obs-build
kernel-syms
kernel-default
kernel-obs-build-debugsource
kernel-64kb-devel
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-macros
kernel-devel
kernel-default-devel
kernel-default-devel-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-default-base
linux (Ubuntu package)
linux-azure (Ubuntu package)
linux-aws (Ubuntu package)

Install update from vendor's website.

Linux kernel - update to 6.14.2
Netezza Appliance - update to 1.0.1.0 fp278500
kernel-livepatch-6_4_0-150700_7_3-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_1-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_3-default-debuginfo - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_3-default - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_1-debugsource - update to 1-150700.15.3.1
kernel (Red Hat package) - addressed in versions 5.14.0-570.30.1.el9_6, 6.12.0-55.25.1.el10_0
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.3.1
kernel-rt - update to 6.4.0-150700.7.3.1
kernel-rt_debug - update to 6.4.0-150700.7.3.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.3.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.3.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.3.1
kernel-rt-debugsource - update to 6.4.0-150700.7.3.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.3.1
kernel-rt_debug-debuginfo - update to 6.4.0-150700.7.3.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.3.1
kernel-devel-rt - update to 6.4.0-150700.7.3.1
kernel-source-rt - update to 6.4.0-150700.7.3.1
gfs2-kmp-rt - update to 6.4.0-150700.7.3.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.3.1
kernel-rt_debug-debugsource - update to 6.4.0-150700.7.3.1
dlm-kmp-rt - update to 6.4.0-150700.7.3.1
kernel-rt_debug-devel - update to 6.4.0-150700.7.3.1
kernel-rt_debug-devel-debuginfo - update to 6.4.0-150700.7.3.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.3.1
kernel-syms-rt - update to 6.4.0-150700.7.3.1
kernel-rt-devel - update to 6.4.0-150700.7.3.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.3.1
kernel-source-azure - update to 6.4.0-150700.20.3.1
kernel-devel-azure - update to 6.4.0-150700.20.3.1
kernel-syms-azure - update to 6.4.0-150700.20.3.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.3.1
kernel-azure-debugsource - update to 6.4.0-150700.20.3.1
kernel-azure-devel - update to 6.4.0-150700.20.3.1
kernel-azure - update to 6.4.0-150700.20.3.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
kernel-64kb - update to 6.4.0-150700.53.3.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.3.1
kernel-default-livepatch - update to 6.4.0-150700.53.3.1
kernel-source - update to 6.4.0-150700.53.3.1
kernel-default-extra - update to 6.4.0-150700.53.3.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
dlm-kmp-default - update to 6.4.0-150700.53.3.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.3.1
ocfs2-kmp-default - update to 6.4.0-150700.53.3.1
cluster-md-kmp-default - update to 6.4.0-150700.53.3.1
dlm-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
gfs2-kmp-default - update to 6.4.0-150700.53.3.1
kernel-default-debuginfo - update to 6.4.0-150700.53.3.1
kernel-default-debugsource - update to 6.4.0-150700.53.3.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.3.1
reiserfs-kmp-default - update to 6.4.0-150700.53.3.1
kernel-docs - update to 6.4.0-150700.53.3.1
kernel-obs-build - update to 6.4.0-150700.53.3.1
kernel-syms - update to 6.4.0-150700.53.3.1
kernel-default - update to 6.4.0-150700.53.3.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.3.1
kernel-64kb-devel - update to 6.4.0-150700.53.3.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.3.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.3.1
kernel-zfcpdump - update to 6.4.0-150700.53.3.1
kernel-macros - update to 6.4.0-150700.53.3.1
kernel-devel - update to 6.4.0-150700.53.3.1
kernel-default-devel - update to 6.4.0-150700.53.3.1
kernel-default-devel-debuginfo - update to 6.4.0-150700.53.3.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.3.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.3.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.3.1
kernel-default-base - update to 6.4.0-150700.53.3.1.150700.17.2.1
linux (Ubuntu package) - addressed in versions 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-azure (Ubuntu package) - update to 6.14.0-1007.7
linux-aws (Ubuntu package) - addressed in versions 6.14.0-1007.7, 6.14.0-1007.7+1

• https://git.kernel.org/stable/c/0d6460b9d2a3ee380940bdf47680751ef91cb88e
• https://git.kernel.org/stable/c/1d6a9e7449e2a0c1e2934eee7880ba8bd1e464cd
• https://git.kernel.org/stable/c/56ec8580be5174b2b9774066e60f1aad56d201db
• https://git.kernel.org/stable/c/edf6b543e81ba68c6dbac2499ab362098a5a9716
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14.2

• Use-after-free in Linux kernel infiniband core driver
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Ubuntu update for linux
• Ubuntu update for linux-azure
• Red Hat Enterprise Linux 9 update for kernel
• Red Hat Enterprise Linux 10 update for kernel
• Ubuntu update for linux-aws
• Multiple vulnerabilities in IBM Netezza Appliance