Integer overflow in Linux kernel - CVE-2022-50865

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Main Vulnerability Database Vulnerabilities #VU120834

Integer overflow in Linux kernel - CVE-2022-50865

Published: December 30, 2025 / Updated: December 30, 2025


Vulnerability identifier: #VU120834
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-2022-50865
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer overflow within the tcp_add_backlog() function in net/ipv4/tcp_ipv4.c. A local user can execute arbitrary code.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for Real Time
Anolis OS
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Enterprise Linux for x86_64
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
SUSE Linux Enterprise Live Patching
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kgraft-patch-4_12_14-122_293-default
kernel-default-debugsource
kernel-default-kgraft-devel
kernel-default
kernel-default-debuginfo
kernel-default-kgraft
cluster-md-kmp-default-debuginfo
kernel-default-base-debuginfo
gfs2-kmp-default
dlm-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
kernel-default-base
ocfs2-kmp-default-debuginfo
ocfs2-kmp-default
kernel-default-devel
kernel-syms
gfs2-kmp-default-debuginfo
kernel-source
kernel-devel
kernel-macros
kernel-default-man
kernel-default-devel-debuginfo
kernel (Red Hat package)
kernel-rt (Red Hat package)
bpftool
kernel
kernel-core
kernel-cross-headers
kernel-debug
kernel-debug-core
kernel-debug-devel
kernel-debug-modules
kernel-debug-modules-extra
kernel-headers
kernel-modules
kernel-modules-extra
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python3-perf
kernel-abi-stablelists
kernel-doc
IBM MQ Appliance
Technical Support Appliance
IBM DataPower Gateway
IBM Power Hardware Management Console (HMC)

How to mitigate CVE-2022-50865

Install update from vendor's repository.

Linux kernel - addressed in versions 5.4.278, 5.10.153, 5.15.77, 6.0.7, 6.1
IBM MQ Appliance - addressed in versions 9.4.0.20, 9.4.5.1
IBM DataPower Gateway - addressed in versions 10.5.0.21, 10.6.0.9
kgraft-patch-4_12_14-122_293-default - update to 1-8.3.1
Technical Support Appliance - update to 3.1.2
kernel-default-debugsource - update to 4.12.14-122.293.1
kernel-default-kgraft-devel - update to 4.12.14-122.293.1
kernel-default - update to 4.12.14-122.293.1
kernel-default-debuginfo - update to 4.12.14-122.293.1
kernel-default-kgraft - update to 4.12.14-122.293.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.293.1
kernel-default-base-debuginfo - update to 4.12.14-122.293.1
gfs2-kmp-default - update to 4.12.14-122.293.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.293.1
dlm-kmp-default - update to 4.12.14-122.293.1
cluster-md-kmp-default - update to 4.12.14-122.293.1
kernel-default-base - update to 4.12.14-122.293.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.293.1
ocfs2-kmp-default - update to 4.12.14-122.293.1
kernel-default-devel - update to 4.12.14-122.293.1
kernel-syms - update to 4.12.14-122.293.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.293.1
kernel-source - update to 4.12.14-122.293.1
kernel-devel - update to 4.12.14-122.293.1
kernel-macros - update to 4.12.14-122.293.1
kernel-default-man - update to 4.12.14-122.293.1
kernel-default-devel-debuginfo - update to 4.12.14-122.293.1
kernel (Red Hat package) - addressed in versions 4.18.0-193.187.1.el8_2, 4.18.0-305.186.1.el8_4, 4.18.0-372.179.1.el8_6, 4.18.0-477.130.1.el8_8, 4.18.0-553.100.1.el8_10, 5.14.0-70.165.1.el9_0
kernel-rt (Red Hat package) - addressed in versions 4.18.0-553.100.1.rt7.441.el8_10, 5.14.0-70.165.1.rt21.237.el9_0, 5.14.0-284.155.1.rt14.440.el9_2
bpftool - update to 4.18.0-553.100.1.0.1
kernel - update to 4.18.0-553.100.1.0.1
kernel-core - update to 4.18.0-553.100.1.0.1
kernel-cross-headers - update to 4.18.0-553.100.1.0.1
kernel-debug - update to 4.18.0-553.100.1.0.1
kernel-debug-core - update to 4.18.0-553.100.1.0.1
kernel-debug-devel - update to 4.18.0-553.100.1.0.1
kernel-debug-modules - update to 4.18.0-553.100.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.100.1.0.1
kernel-devel - update to 4.18.0-553.100.1.0.1
kernel-headers - update to 4.18.0-553.100.1.0.1
kernel-modules - update to 4.18.0-553.100.1.0.1
kernel-modules-extra - update to 4.18.0-553.100.1.0.1
kernel-tools - update to 4.18.0-553.100.1.0.1
kernel-tools-libs - update to 4.18.0-553.100.1.0.1
kernel-tools-libs-devel - update to 4.18.0-553.100.1.0.1
perf - update to 4.18.0-553.100.1.0.1
python3-perf - update to 4.18.0-553.100.1.0.1
kernel-abi-stablelists - update to 4.18.0-553.100.1.0.1
kernel-doc - update to 4.18.0-553.100.1.0.1
IBM Power Hardware Management Console (HMC) - addressed in versions 10.3.1063.2, 11.1.1111.5

External References

Related Security Bulletins