Improper locking in Linux kernel - CVE-2025-38287

Vulnerability identifier: #VU112796

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-38287

CWE-ID: CWE-667

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the cm_process_send_error() function in drivers/infiniband/core/cm.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Workstation Extension 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
Legacy Module
SUSE Linux Enterprise Live Patching
Public Cloud Module
SUSE Real Time Module
Basesystem Module
Development Tools Module
Ubuntu
kernel-livepatch-6_4_0-150700_7_13-rt
kernel-livepatch-SLE15-SP7-RT_Update_3-debugsource
kernel-livepatch-6_4_0-150700_7_13-rt-debuginfo
kernel-livepatch-SLE15-SP7_Update_3-debugsource
kernel-livepatch-6_4_0-150700_53_11-default
kernel-livepatch-6_4_0-150700_53_11-default-debuginfo
kernel-rt-devel-debuginfo
dlm-kmp-rt
kernel-rt
kernel-devel-rt
kernel-source-rt
dlm-kmp-rt-debuginfo
kernel-rt-debugsource
gfs2-kmp-rt
kernel-rt-debuginfo
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
cluster-md-kmp-rt
cluster-md-kmp-rt-debuginfo
ocfs2-kmp-rt
kernel-rt-devel
kernel-syms-rt
kernel-azure-debuginfo
kernel-azure
kernel-azure-devel
kernel-azure-debugsource
kernel-azure-devel-debuginfo
kernel-syms-azure
kernel-source-azure
kernel-devel-azure
gfs2-kmp-default
dlm-kmp-default
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default
gfs2-kmp-default-debuginfo
cluster-md-kmp-default
ocfs2-kmp-default-debuginfo
kernel-default-extra-debuginfo
kernel-default-extra
kernel-source
kernel-default-livepatch
kernel-default-livepatch-devel
reiserfs-kmp-default-debuginfo
kernel-64kb
kernel-64kb-devel
kernel-64kb-devel-debuginfo
kernel-64kb-debugsource
kernel-64kb-debuginfo
kernel-default
kernel-default-devel-debuginfo
kernel-default-debuginfo
kernel-default-devel
kernel-default-debugsource
kernel-macros
kernel-devel
dlm-kmp-default-debuginfo
reiserfs-kmp-default
kernel-syms
kernel-obs-build-debugsource
kernel-obs-build
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-zfcpdump
kernel-default-base
kernel-docs
linux (Ubuntu package)
linux-aws-6.14 (Ubuntu package)
linux-azure (Ubuntu package)
linux-oem-6.14 (Ubuntu package)
linux-realtime-6.14 (Ubuntu package)
linux-oracle-6.14 (Ubuntu package)
linux-raspi (Ubuntu package)

Install update from vendor's repository.

kernel-livepatch-6_4_0-150700_7_13-rt - update to 1-150700.1.5.1
kernel-livepatch-SLE15-SP7-RT_Update_3-debugsource - update to 1-150700.1.5.1
kernel-livepatch-6_4_0-150700_7_13-rt-debuginfo - update to 1-150700.1.5.1
kernel-livepatch-SLE15-SP7_Update_3-debugsource - update to 1-150700.15.3.4
kernel-livepatch-6_4_0-150700_53_11-default - update to 1-150700.15.3.4
kernel-livepatch-6_4_0-150700_53_11-default-debuginfo - update to 1-150700.15.3.4
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.13.1
dlm-kmp-rt - update to 6.4.0-150700.7.13.1
kernel-rt - update to 6.4.0-150700.7.13.1
kernel-devel-rt - update to 6.4.0-150700.7.13.1
kernel-source-rt - update to 6.4.0-150700.7.13.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.13.1
kernel-rt-debugsource - update to 6.4.0-150700.7.13.1
gfs2-kmp-rt - update to 6.4.0-150700.7.13.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.13.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.13.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.13.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.13.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.13.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.13.1
kernel-rt-devel - update to 6.4.0-150700.7.13.1
kernel-syms-rt - update to 6.4.0-150700.7.13.1
kernel-azure-debuginfo - update to 6.4.0-150700.20.11.1
kernel-azure - update to 6.4.0-150700.20.11.1
kernel-azure-devel - update to 6.4.0-150700.20.11.1
kernel-azure-debugsource - update to 6.4.0-150700.20.11.1
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.11.1
kernel-syms-azure - update to 6.4.0-150700.20.11.1
kernel-source-azure - update to 6.4.0-150700.20.11.1
kernel-devel-azure - update to 6.4.0-150700.20.11.1
gfs2-kmp-default - update to 6.4.0-150700.53.11.1
dlm-kmp-default - update to 6.4.0-150700.53.11.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150700.53.11.1
ocfs2-kmp-default - update to 6.4.0-150700.53.11.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.11.1
cluster-md-kmp-default - update to 6.4.0-150700.53.11.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.11.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.11.1
kernel-default-extra - update to 6.4.0-150700.53.11.1
kernel-source - update to 6.4.0-150700.53.11.1
kernel-default-livepatch - update to 6.4.0-150700.53.11.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.11.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.11.1
kernel-64kb - update to 6.4.0-150700.53.11.1
kernel-64kb-devel - update to 6.4.0-150700.53.11.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.11.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.11.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.11.1
kernel-default - update to 6.4.0-150700.53.11.1
kernel-default-devel-debuginfo - update to 6.4.0-150700.53.11.1
kernel-default-debuginfo - update to 6.4.0-150700.53.11.1
kernel-default-devel - update to 6.4.0-150700.53.11.1
kernel-default-debugsource - update to 6.4.0-150700.53.11.1
kernel-macros - update to 6.4.0-150700.53.11.1
kernel-devel - update to 6.4.0-150700.53.11.1
dlm-kmp-default-debuginfo - update to 6.4.0-150700.53.11.1
reiserfs-kmp-default - update to 6.4.0-150700.53.11.1
kernel-syms - update to 6.4.0-150700.53.11.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.11.1
kernel-obs-build - update to 6.4.0-150700.53.11.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.11.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.11.1
kernel-zfcpdump - update to 6.4.0-150700.53.11.1
kernel-default-base - update to 6.4.0-150700.53.11.1.150700.17.9.4
kernel-docs - update to 6.4.0-150700.53.11.3
linux (Ubuntu package) - addressed in versions 6.14.0-32.32, 6.14.0-32.32.1, 6.14.0-32.32.1~24.04.1, 6.14.0-1012.12~24.04.1, 6.14.0-1013.13, 6.14.0-1016.17, 6.14.0-1016.17~24.04.1
linux-aws-6.14 (Ubuntu package) - addressed in versions 6.14.0-32.32~24.04.1, 6.14.0-1013.13~24.04.1
linux-azure (Ubuntu package) - update to 6.14.0-1012.12
linux-oem-6.14 (Ubuntu package) - update to 6.14.0-1012.12
linux-realtime-6.14 (Ubuntu package) - update to 6.14.0-1012.12~24.04.1
linux-oracle-6.14 (Ubuntu package) - update to 6.14.0-1013.13~24.04.1
linux-raspi (Ubuntu package) - update to 6.14.0-1014.14

• https://git.kernel.org/stable/c/7590649ee7af381a9d1153143026dec124c5798e
• https://git.kernel.org/stable/c/fc096a0cd2017cb0aa1e7fb83131410af9283910

• Improper locking 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-oem-6.14
• Ubuntu update for linux-azure
• Ubuntu update for linux
• Ubuntu update for linux-realtime-6.14
• Ubuntu update for linux-aws-6.14
• Ubuntu update for linux-oracle-6.14
• Ubuntu update for linux-raspi