Double free in Linux kernel - CVE-2022-49017

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU99053

Double free in Linux kernel - CVE-2022-49017

Published: October 22, 2024 / Updated: May 12, 2025


Vulnerability identifier: #VU99053
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-2022-49017
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a double free error within the tipc_crypto_key_synch() function in net/tipc/crypto.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Micro
openSUSE Leap Micro
Legacy Module
Public Cloud Module
SUSE Linux Enterprise Live Patching
Development Tools Module
Basesystem Module
SUSE Real Time Module
openSUSE Leap
openEuler
kernel-livepatch-SLE15-SP5-RT_Update_22-debugsource
kernel-livepatch-5_14_21-150500_13_76-rt
kernel-livepatch-5_14_21-150500_13_76-rt-debuginfo
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo
kernel-livepatch-5_14_21-150500_55_88-default
kernel-livepatch-SLE15-SP5_Update_21-debugsource
kernel-debuginfo
kernel
python3-perf-debuginfo
python3-perf
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
perf-debuginfo
kernel-headers
kernel-devel
kernel-debugsource
kernel-source-rt
kernel-rt-vdso
gfs2-kmp-rt
kernel-rt-devel-debuginfo
kernel-rt-debuginfo
kernel-rt_debug-vdso-debuginfo
kernel-rt-devel
kernel-rt-debugsource
kernel-rt-vdso-debuginfo
kernel-syms-rt
cluster-md-kmp-rt
kernel-rt_debug-debuginfo
cluster-md-kmp-rt-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-devel-rt
kernel-rt_debug
kernel-rt
reiserfs-kmp-rt
kselftests-kmp-rt
kernel-rt_debug-livepatch-devel
kernel-rt-optional
kernel-rt-livepatch-devel
kernel-rt-extra
kernel-rt-optional-debuginfo
kernel-rt-extra-debuginfo
kselftests-kmp-rt-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch
ocfs2-kmp-rt
dlm-kmp-rt
kernel-rt_debug-vdso
kernel-rt_debug-devel
gfs2-kmp-rt-debuginfo
dlm-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt_debug-devel-debuginfo
gfs2-kmp-azure-debuginfo
ocfs2-kmp-azure
kernel-azure-devel-debuginfo
dlm-kmp-azure-debuginfo
reiserfs-kmp-azure
kernel-syms-azure
kernel-azure-livepatch-devel
kselftests-kmp-azure
kernel-azure-optional-debuginfo
ocfs2-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
cluster-md-kmp-azure
kernel-azure-extra
kernel-azure
kernel-azure-vdso
kernel-devel-azure
kernel-source-azure
kernel-azure-vdso-debuginfo
gfs2-kmp-azure
kernel-azure-debugsource
kernel-azure-devel
kernel-azure-optional
reiserfs-kmp-azure-debuginfo
kernel-azure-debuginfo
dlm-kmp-azure
kernel-azure-extra-debuginfo
kselftests-kmp-azure-debuginfo
kernel-obs-build
kernel-obs-build-debugsource
reiserfs-kmp-default-debuginfo
reiserfs-kmp-default
kernel-default-livepatch
kernel-default-livepatch-devel
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default
ocfs2-kmp-default-debuginfo
dlm-kmp-default
cluster-md-kmp-default
gfs2-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default-debuginfo
kernel-64kb-debugsource
kernel-default
kernel-default-debuginfo
kernel-default-debugsource
kernel-64kb
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb-devel
kernel-syms
kernel-default-devel
kernel-default-devel-debuginfo
kernel-macros
kernel-zfcpdump
kernel-zfcpdump-debugsource
kernel-zfcpdump-debuginfo
kernel-docs
kernel-default-base

How to mitigate CVE-2022-49017

Install update from vendor's website.

Linux kernel - addressed in versions 5.10.158, 5.15.82, 6.0.12, 6.1
kernel-livepatch-SLE15-SP5-RT_Update_22-debugsource - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_13_76-rt - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_13_76-rt-debuginfo - update to 1-150500.11.3.1
kernel-livepatch-5_14_21-150500_55_88-default-debuginfo - update to 1-150500.11.5.1
kernel-livepatch-5_14_21-150500_55_88-default - update to 1-150500.11.5.1
kernel-livepatch-SLE15-SP5_Update_21-debugsource - update to 1-150500.11.5.1
kernel-debuginfo - update to 5.10.0-136.100.0.181
kernel - update to 5.10.0-136.100.0.181
python3-perf-debuginfo - update to 5.10.0-136.100.0.181
python3-perf - update to 5.10.0-136.100.0.181
perf - update to 5.10.0-136.100.0.181
kernel-tools-devel - update to 5.10.0-136.100.0.181
kernel-tools-debuginfo - update to 5.10.0-136.100.0.181
kernel-tools - update to 5.10.0-136.100.0.181
kernel-source - update to 5.10.0-136.100.0.181
perf-debuginfo - update to 5.10.0-136.100.0.181
kernel-headers - update to 5.10.0-136.100.0.181
kernel-devel - update to 5.10.0-136.100.0.181
kernel-debugsource - update to 5.10.0-136.100.0.181
kernel-source-rt - update to 5.14.21-150500.13.76.1
kernel-rt-vdso - update to 5.14.21-150500.13.76.1
gfs2-kmp-rt - update to 5.14.21-150500.13.76.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.76.1
kernel-rt-debuginfo - update to 5.14.21-150500.13.76.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.76.1
kernel-rt-devel - update to 5.14.21-150500.13.76.1
kernel-rt-debugsource - update to 5.14.21-150500.13.76.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.76.1
kernel-syms-rt - update to 5.14.21-150500.13.76.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.76.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.76.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.76.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.76.1
kernel-devel-rt - update to 5.14.21-150500.13.76.1
kernel-rt_debug - update to 5.14.21-150500.13.76.1
kernel-rt - update to 5.14.21-150500.13.76.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.76.1
kselftests-kmp-rt - update to 5.14.21-150500.13.76.1
kernel-rt_debug-livepatch-devel - update to 5.14.21-150500.13.76.1
kernel-rt-optional - update to 5.14.21-150500.13.76.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.76.1
kernel-rt-extra - update to 5.14.21-150500.13.76.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.76.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.76.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.76.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.76.1
kernel-rt-livepatch - update to 5.14.21-150500.13.76.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.76.1
dlm-kmp-rt - update to 5.14.21-150500.13.76.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.76.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.76.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.76.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.76.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.76.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.76.1
gfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.72.1
ocfs2-kmp-azure - update to 5.14.21-150500.33.72.1
kernel-azure-devel-debuginfo - update to 5.14.21-150500.33.72.1
dlm-kmp-azure-debuginfo - update to 5.14.21-150500.33.72.1
reiserfs-kmp-azure - update to 5.14.21-150500.33.72.1
kernel-syms-azure - update to 5.14.21-150500.33.72.1
kernel-azure-livepatch-devel - update to 5.14.21-150500.33.72.1
kselftests-kmp-azure - update to 5.14.21-150500.33.72.1
kernel-azure-optional-debuginfo - update to 5.14.21-150500.33.72.1
ocfs2-kmp-azure-debuginfo - update to 5.14.21-150500.33.72.1
cluster-md-kmp-azure-debuginfo - update to 5.14.21-150500.33.72.1
cluster-md-kmp-azure - update to 5.14.21-150500.33.72.1
kernel-azure-extra - update to 5.14.21-150500.33.72.1
kernel-azure - update to 5.14.21-150500.33.72.1
kernel-azure-vdso - update to 5.14.21-150500.33.72.1
kernel-devel-azure - update to 5.14.21-150500.33.72.1
kernel-source-azure - update to 5.14.21-150500.33.72.1
kernel-azure-vdso-debuginfo - update to 5.14.21-150500.33.72.1
gfs2-kmp-azure - update to 5.14.21-150500.33.72.1
kernel-azure-debugsource - update to 5.14.21-150500.33.72.1
kernel-azure-devel - update to 5.14.21-150500.33.72.1
kernel-azure-optional - update to 5.14.21-150500.33.72.1
reiserfs-kmp-azure-debuginfo - update to 5.14.21-150500.33.72.1
kernel-azure-debuginfo - update to 5.14.21-150500.33.72.1
dlm-kmp-azure - update to 5.14.21-150500.33.72.1
kernel-azure-extra-debuginfo - update to 5.14.21-150500.33.72.1
kselftests-kmp-azure-debuginfo - update to 5.14.21-150500.33.72.1
kernel-obs-build - update to 5.14.21-150500.55.88.1
kernel-obs-build-debugsource - update to 5.14.21-150500.55.88.1
kernel-source - update to 5.14.21-150500.55.88.1
reiserfs-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
reiserfs-kmp-default - update to 5.14.21-150500.55.88.1
kernel-default-livepatch - update to 5.14.21-150500.55.88.1
kernel-default-livepatch-devel - update to 5.14.21-150500.55.88.1
cluster-md-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
ocfs2-kmp-default - update to 5.14.21-150500.55.88.1
ocfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
dlm-kmp-default - update to 5.14.21-150500.55.88.1
cluster-md-kmp-default - update to 5.14.21-150500.55.88.1
gfs2-kmp-default - update to 5.14.21-150500.55.88.1
dlm-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
gfs2-kmp-default-debuginfo - update to 5.14.21-150500.55.88.1
kernel-64kb-debugsource - update to 5.14.21-150500.55.88.1
kernel-default - update to 5.14.21-150500.55.88.1
kernel-default-debuginfo - update to 5.14.21-150500.55.88.1
kernel-default-debugsource - update to 5.14.21-150500.55.88.1
kernel-64kb - update to 5.14.21-150500.55.88.1
kernel-64kb-devel-debuginfo - update to 5.14.21-150500.55.88.1
kernel-64kb-debuginfo - update to 5.14.21-150500.55.88.1
kernel-64kb-devel - update to 5.14.21-150500.55.88.1
kernel-syms - update to 5.14.21-150500.55.88.1
kernel-default-devel - update to 5.14.21-150500.55.88.1
kernel-default-devel-debuginfo - update to 5.14.21-150500.55.88.1
kernel-macros - update to 5.14.21-150500.55.88.1
kernel-devel - update to 5.14.21-150500.55.88.1
kernel-zfcpdump - update to 5.14.21-150500.55.88.1
kernel-zfcpdump-debugsource - update to 5.14.21-150500.55.88.1
kernel-zfcpdump-debuginfo - update to 5.14.21-150500.55.88.1
kernel-docs - update to 5.14.21-150500.55.88.1
kernel-default-base - update to 5.14.21-150500.55.88.1.150500.6.39.4

External References

Related Security Bulletins