Memory leak in Linux kernel - CVE-2023-53035

 

Memory leak in Linux kernel - CVE-2023-53035

Published: May 3, 2025 / Updated: May 10, 2025


Vulnerability identifier: #VU108413
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-2023-53035
CWE-ID: CWE-401
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 memory leak within the nilfs_ioctl_wrap_copy() function in fs/nilfs2/ioctl.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 Micro
SUSE Linux Enterprise Micro for Rancher
SUSE Linux Enterprise Live Patching
openSUSE Leap
kernel-livepatch-5_14_21-150400_24_167-default-debuginfo
kernel-livepatch-5_14_21-150400_24_167-default
kernel-livepatch-SLE15-SP4_Update_41-debugsource
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo
kernel-livepatch-5_14_21-150500_55_110-default
kernel-livepatch-SLE15-SP5_Update_27-debugsource
kernel-rt-debugsource
kernel-rt-debuginfo
kernel-source-rt
kernel-rt
kernel-default-livepatch-devel
kernel-default-debugsource
kernel-default-livepatch
kernel-default-debuginfo
kernel-default
ocfs2-kmp-rt
dlm-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-devel-debuginfo
kernel-rt_debug
kernel-rt_debug-vdso-debuginfo
kernel-rt-livepatch-devel
kernel-rt-devel
gfs2-kmp-rt
cluster-md-kmp-rt
kernel-rt-vdso
kernel-rt_debug-vdso
kernel-rt-optional
kernel-devel-rt
kernel-syms-rt
reiserfs-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-extra-debuginfo
ocfs2-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-extra
kselftests-kmp-rt-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-livepatch
kernel-rt_debug-debuginfo
kernel-rt_debug-debugsource
dlm-kmp-rt
kernel-rt_debug-devel
kernel-rt-devel-debuginfo
kselftests-kmp-rt

How to mitigate CVE-2023-53035

Install update from vendor's website.

Linux kernel - update to 5.10.177
kernel-livepatch-5_14_21-150400_24_167-default-debuginfo - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150400_24_167-default - update to 1-150400.9.3.1
kernel-livepatch-SLE15-SP4_Update_41-debugsource - update to 1-150400.9.3.1
kernel-livepatch-5_14_21-150500_55_110-default-debuginfo - update to 1-150500.11.7.1
kernel-livepatch-5_14_21-150500_55_110-default - update to 1-150500.11.7.1
kernel-livepatch-SLE15-SP5_Update_27-debugsource - update to 1-150500.11.7.1
kernel-rt-debugsource - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-rt-debuginfo - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-source-rt - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-rt - addressed in versions 5.14.21-150400.15.121.1, 5.14.21-150500.13.97.1
kernel-default-livepatch-devel - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default-debugsource - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default-livepatch - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default-debuginfo - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
kernel-default - addressed in versions 5.14.21-150400.24.167.1, 5.14.21-150500.55.110.1
ocfs2-kmp-rt - update to 5.14.21-150500.13.97.1
dlm-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug-devel-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-livepatch-devel - update to 5.14.21-150500.13.97.1
kernel-rt-devel - update to 5.14.21-150500.13.97.1
gfs2-kmp-rt - update to 5.14.21-150500.13.97.1
cluster-md-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt-vdso - update to 5.14.21-150500.13.97.1
kernel-rt_debug-vdso - update to 5.14.21-150500.13.97.1
kernel-rt-optional - update to 5.14.21-150500.13.97.1
kernel-devel-rt - update to 5.14.21-150500.13.97.1
kernel-syms-rt - update to 5.14.21-150500.13.97.1
reiserfs-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt-optional-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-extra-debuginfo - update to 5.14.21-150500.13.97.1
ocfs2-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-vdso-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-extra - update to 5.14.21-150500.13.97.1
kselftests-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
reiserfs-kmp-rt-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt-livepatch - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debuginfo - update to 5.14.21-150500.13.97.1
kernel-rt_debug-debugsource - update to 5.14.21-150500.13.97.1
dlm-kmp-rt - update to 5.14.21-150500.13.97.1
kernel-rt_debug-devel - update to 5.14.21-150500.13.97.1
kernel-rt-devel-debuginfo - update to 5.14.21-150500.13.97.1
kselftests-kmp-rt - update to 5.14.21-150500.13.97.1

External References

Related Security Bulletins