Improper locking in Linux kernel - CVE-2024-27415
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nf_conntrack_init_end() function in net/netfilter/nf_conntrack_core.c, within the nf_ct_bridge_pre() function in net/bridge/netfilter/nf_conntrack_bridge.c, within the IS_ENABLED() and br_nf_pre_routing() functions in net/bridge/br_netfilter_hooks.c. A local user can perform a denial of service (DoS) attack.
Affected software
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Workstation Extension 15
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - AUS
SUSE Linux Enterprise Live Patching
SUSE Real Time Module
Confidential Computing Module
Public Cloud Module
Legacy Module
Development Tools Module
Basesystem Module
openSUSE Leap
Ubuntu
openEuler
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel-livepatch-SLE15-SP6-RT_Update_11-debugsource
kernel-livepatch-6_4_0-150600_10_39-rt-debuginfo
kernel-livepatch-6_4_0-150600_10_39-rt
kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo
kernel-livepatch-SLE15-SP7-RT_Update_1-debugsource
kernel-livepatch-6_4_0-150700_7_3-rt
kernel-livepatch-SLE15-SP7_Update_1-debugsource
kernel-livepatch-6_4_0-150700_53_3-default-debuginfo
kernel-livepatch-6_4_0-150700_53_3-default
kernel
kernel-debuginfo
python3-perf
perf
kernel-tools-debuginfo
python3-perf-debuginfo
kernel-source
kernel-tools
perf-debuginfo
kernel-debugsource
kernel-devel
kernel-tools-devel
kernel-headers
kernel (Red Hat package)
kernel-rt (Red Hat package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-5.15.0-113-generic (Ubuntu package)
linux-image-5.15.0-113-generic-64k (Ubuntu package)
linux-image-5.15.0-113-generic-lpae (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-oem-20.04b (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-5.15.0-1046-gkeop (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-5.15.0-1057-ibm (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-5.15.0-1058-raspi (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-5.15.0-1060-kvm (Ubuntu package)
kernel-coco_debug
kernel-coco
kernel-coco_debug-debuginfo
kernel-coco-vdso-debuginfo
kernel-syms-coco
kernel-coco-devel
kernel-coco_debug-devel
kernel-coco-debugsource
reiserfs-kmp-coco
kernel-coco_debug-debugsource
kernel-coco_debug-devel-debuginfo
kernel-coco-debuginfo
reiserfs-kmp-coco-debuginfo
kernel-devel-coco
kernel-source-coco
kernel-source-azure
kernel-devel-azure
cluster-md-kmp-azure
ocfs2-kmp-azure
kernel-azure-optional-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-devel
kernel-azure-debugsource
kernel-azure-optional
reiserfs-kmp-azure-debuginfo
kernel-azure-extra
dlm-kmp-azure
kernel-azure-extra-debuginfo
gfs2-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
gfs2-kmp-azure
kernel-syms-azure
ocfs2-kmp-azure-debuginfo
kernel-azure-debuginfo
dlm-kmp-azure-debuginfo
kernel-azure
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kselftests-kmp-azure-debuginfo
reiserfs-kmp-azure
kselftests-kmp-azure
ocfs2-kmp-rt-debuginfo
kselftests-kmp-rt-debuginfo
kernel-rt-livepatch-devel
gfs2-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-vdso
kernel-rt_debug-devel-debuginfo
kernel-rt_debug-vdso-debuginfo
gfs2-kmp-rt
reiserfs-kmp-rt
kernel-rt_debug-debuginfo
kernel-rt-devel-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-optional-debuginfo
kernel-rt-vdso-debuginfo
dlm-kmp-rt-debuginfo
cluster-md-kmp-rt
kernel-rt-debugsource
kernel-rt-extra
kernel-rt-vdso
kernel-rt_debug-devel
kselftests-kmp-rt
kernel-rt_debug-debugsource
dlm-kmp-rt
kernel-rt-optional
ocfs2-kmp-rt
kernel-rt-debuginfo
kernel-rt-extra-debuginfo
kernel-rt-devel
kernel-devel-rt
kernel-source-rt
kernel-rt
kernel-rt_debug
kernel-syms-rt
kernel-default-livepatch-devel
kernel-obs-build
kernel-default-livepatch
kernel-default-extra-debuginfo
kernel-default-extra
ocfs2-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default-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-default
kernel-64kb-devel
kernel-syms
kernel-obs-build-debugsource
kernel-docs
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-zfcpdump
kernel-macros
kernel-default-devel
kernel-default-devel-debuginfo
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb-debugsource
kernel-64kb
kernel-default-base
IBM DataPower Gateway
Red Hat OpenShift Container Platform
How to mitigate CVE-2024-27415
IBM DataPower Gateway - update to 10.6.4.0
kernel-livepatch-SLE15-SP6-RT_Update_11-debugsource - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150600_10_39-rt-debuginfo - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150600_10_39-rt - update to 1-150600.1.3.2
kernel-livepatch-6_4_0-150700_7_3-rt-debuginfo - 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 - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7_Update_1-debugsource - update to 1-150700.15.3.1
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
Red Hat OpenShift Container Platform - addressed in versions 4.12.67, 4.15.35, 4.15.36
kernel - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
python3-perf - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
perf - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-tools-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
python3-perf-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-source - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-tools - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
perf-debuginfo - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-debugsource - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-devel - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-tools-devel - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel-headers - addressed in versions 5.10.0-136.79.0.159, 5.10.0-202.0.0.115
kernel (Red Hat package) - addressed in versions 5.14.0-284.86.1.el9_2, 5.14.0-427.33.1.el9_4
kernel-rt (Red Hat package) - update to 5.14.0-284.86.1.rt14.371.el9_2
linux-image-generic-hwe-20.04 (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-5.15.0-113-generic (Ubuntu package) - update to 5.15.0-113.123~20.04.1
linux-image-5.15.0-113-generic-64k (Ubuntu package) - update to 5.15.0-113.123~20.04.1
linux-image-5.15.0-113-generic-lpae (Ubuntu package) - update to 5.15.0-113.123~20.04.1
linux-image-virtual-hwe-20.04 (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-oem-20.04d (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-oem-20.04c (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-oem-20.04b (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-oem-20.04 (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-generic-lpae-hwe-20.04 (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-generic-64k-hwe-20.04 (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-gkeop (Ubuntu package) - update to 5.15.0.1046.45
linux-image-gkeop-5.15 (Ubuntu package) - addressed in versions 5.15.0.1046.45, 5.15.0.1046.53~20.04.1
linux-image-5.15.0-1046-gkeop (Ubuntu package) - update to 5.15.0-1046.53~20.04.1
linux-image-ibm (Ubuntu package) - update to 5.15.0.1057.60~20.04.1
linux-image-5.15.0-1057-ibm (Ubuntu package) - update to 5.15.0-1057.60~20.04.1
linux-image-raspi-nolpae (Ubuntu package) - update to 5.15.0.1058.56
linux-image-raspi (Ubuntu package) - update to 5.15.0.1058.56
linux-image-5.15.0-1058-raspi (Ubuntu package) - update to 5.15.0-1058.61
linux-image-kvm (Ubuntu package) - update to 5.15.0.1060.56
linux-image-5.15.0-1060-kvm (Ubuntu package) - update to 5.15.0-1060.65
kernel-coco_debug - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-vdso-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-syms-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-devel - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-devel - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-debugsource - update to 6.4.0-15061.21.coco15sp6.1
reiserfs-kmp-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-debugsource - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco_debug-devel-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-coco-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
reiserfs-kmp-coco-debuginfo - update to 6.4.0-15061.21.coco15sp6.1
kernel-devel-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-source-coco - update to 6.4.0-15061.21.coco15sp6.1
kernel-source-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-devel-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
cluster-md-kmp-azure - update to 6.4.0-150600.8.37.1
ocfs2-kmp-azure - update to 6.4.0-150600.8.37.1
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.37.1
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-devel - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-azure-debugsource - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-azure-optional - update to 6.4.0-150600.8.37.1
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-extra - update to 6.4.0-150600.8.37.1
dlm-kmp-azure - update to 6.4.0-150600.8.37.1
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.37.1
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-devel-debuginfo - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
gfs2-kmp-azure - update to 6.4.0-150600.8.37.1
kernel-syms-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-debuginfo - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure - addressed in versions 6.4.0-150600.8.37.1, 6.4.0-150700.20.3.1
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.37.1
kernel-azure-vdso - update to 6.4.0-150600.8.37.1
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.37.1
reiserfs-kmp-azure - update to 6.4.0-150600.8.37.1
kselftests-kmp-azure - update to 6.4.0-150600.8.37.1
ocfs2-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.39.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.39.1
gfs2-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
cluster-md-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.39.1
kernel-rt_debug-devel-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.39.1
gfs2-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.39.1
kernel-rt_debug-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-devel-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.39.1
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.39.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.39.1
dlm-kmp-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
cluster-md-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-debugsource - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-extra - update to 6.4.0-150600.10.39.1
kernel-rt-vdso - update to 6.4.0-150600.10.39.1
kernel-rt_debug-devel - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kselftests-kmp-rt - update to 6.4.0-150600.10.39.1
kernel-rt_debug-debugsource - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
dlm-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-optional - update to 6.4.0-150600.10.39.1
ocfs2-kmp-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-debuginfo - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.39.1
kernel-rt-devel - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-devel-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-source-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-rt_debug - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-syms-rt - addressed in versions 6.4.0-150600.10.39.1, 6.4.0-150700.7.3.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.3.1
kernel-obs-build - update to 6.4.0-150700.53.3.1
kernel-default-livepatch - update to 6.4.0-150700.53.3.1
kernel-default-extra-debuginfo - 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
cluster-md-kmp-default-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-default - update to 6.4.0-150700.53.3.1
kernel-64kb-devel - update to 6.4.0-150700.53.3.1
kernel-source - update to 6.4.0-150700.53.3.1
kernel-syms - update to 6.4.0-150700.53.3.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.3.1
kernel-docs - 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-64kb - 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
External References
- https://git.kernel.org/stable/c/7c3f28599652acf431a2211168de4a583f30b6d5
- https://git.kernel.org/stable/c/2b1414d5e94e477edff1d2c79030f1d742625ea0
- https://git.kernel.org/stable/c/80cd0487f630b5382734997c3e5e3003a77db315
- https://git.kernel.org/stable/c/cb734975b0ffa688ff6cc0eed463865bf07b6c01
- https://git.kernel.org/stable/c/62e7151ae3eb465e0ab52a20c941ff33bb6332e9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.151
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.81
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8
Related Security Bulletins
- Improper locking in Linux kernel
- openEuler 22.03 LTS SP3 update for kernel
- openEuler 22.03 LTS SP1 update for kernel
- Ubuntu update for linux-gkeop
- Ubuntu update for linux-hwe-5.15
- Ubuntu update for linux-ibm-5.15
- Ubuntu update for linux-raspi
- Red Hat Enterprise Linux 9 update for kernel
- Red Hat Enterprise Linux 9 update for kernel
- Red Hat Enterprise Linux 9 update for kernel-rt
- Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15
- Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.12
- Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.15
- SUSE update for the Linux Kernel
- Multiple vulnerabilities in IBM DataPower Gateway
- SUSE update for the Linux Kernel
- SUSE update for the Linux Kernel
- SUSE update for the Linux Kernel
- SUSE update for the Linux Kernel
- SUSE update for the Linux Kernel