Out-of-bounds read in Linux kernel - CVE-2023-52640

 

Out-of-bounds read in Linux kernel - CVE-2023-52640

Published: May 31, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU90331
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-2023-52640
CWE-ID: CWE-125
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 an out-of-bounds read error within the ntfs_list_ea() function in fs/ntfs3/xattr.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Real Time 15
Slackware Linux
SUSE Real Time Module
Public Cloud Module
SUSE Linux Enterprise Live Patching
openSUSE Leap
Ubuntu
linux (Ubuntu package)
linux-gcp (Ubuntu package)
linux-oracle (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-gke (Ubuntu package)
linux-lowlatency-hwe-5.15 (Ubuntu package)
linux-intel-iotg (Ubuntu package)
linux-ibm (Ubuntu package)
linux-intel-iotg-5.15 (Ubuntu package)
linux-gcp-5.15 (Ubuntu package)
linux-xilinx-zynqmp (Ubuntu package)
kernel-livepatch-SLE15-SP6-RT_Update_1-debugsource
kernel-livepatch-6_4_0-150600_10_5-rt-debuginfo
kernel-livepatch-6_4_0-150600_10_5-rt
kernel-syms-azure
kernel-azure-livepatch-devel
reiserfs-kmp-azure-debuginfo
cluster-md-kmp-azure
gfs2-kmp-azure-debuginfo
reiserfs-kmp-azure
kernel-azure-extra
kernel-azure-debuginfo
kernel-azure-extra-debuginfo
dlm-kmp-azure-debuginfo
dlm-kmp-azure
kernel-azure-optional
ocfs2-kmp-azure-debuginfo
gfs2-kmp-azure
kselftests-kmp-azure-debuginfo
cluster-md-kmp-azure-debuginfo
kernel-azure-devel-debuginfo
ocfs2-kmp-azure
kernel-azure-debugsource
kernel-azure-devel
kselftests-kmp-azure
kernel-azure-optional-debuginfo
kernel-azure
kernel-azure-vdso-debuginfo
kernel-azure-vdso
kernel-devel-azure
kernel-source-azure
kernel-rt-debuginfo
kernel-rt_debug-devel
cluster-md-kmp-rt
reiserfs-kmp-rt
kernel-rt_debug-livepatch-devel
dlm-kmp-rt-debuginfo
kernel-rt-vdso-debuginfo
kernel-rt-extra
dlm-kmp-rt
kernel-rt-optional-debuginfo
kernel-rt-livepatch-devel
kernel-rt_debug-vdso-debuginfo
kernel-rt_debug-debuginfo
kselftests-kmp-rt
ocfs2-kmp-rt
kernel-rt_debug-devel-debuginfo
reiserfs-kmp-rt-debuginfo
kernel-rt-devel
gfs2-kmp-rt-debuginfo
kernel-rt-devel-debuginfo
kernel-rt-vdso
kernel-rt_debug-vdso
kselftests-kmp-rt-debuginfo
cluster-md-kmp-rt-debuginfo
kernel-rt_debug-debugsource
kernel-rt-extra-debuginfo
kernel-rt
kernel-rt_debug
kernel-source-rt
kernel-devel-rt
ocfs2-kmp-rt-debuginfo
kernel-rt-optional
kernel-syms-rt
kernel-rt-debugsource
gfs2-kmp-rt
linux-5.15.160/kernel-huge
linux-5.15.160/kernel-generic
linux-5.15.160/kernel-modules
linux-5.15.160/kernel-headers
linux-image-5.15.0-113-generic-lpae (Ubuntu package)
linux-image-5.15.0-113-generic-64k (Ubuntu package)
linux-image-5.15.0-113-generic (Ubuntu package)
linux-image-5.15.0-1046-gkeop (Ubuntu package)
linux-image-5.15.0-1057-ibm (Ubuntu package)
linux-image-5.15.0-1058-raspi (Ubuntu package)
linux-image-5.15.0-1060-kvm (Ubuntu package)
linux-image-generic-64k-hwe-20.04 (Ubuntu package)
linux-image-generic-hwe-20.04 (Ubuntu package)
linux-image-generic-lpae-hwe-20.04 (Ubuntu package)
linux-image-oem-20.04 (Ubuntu package)
linux-image-oem-20.04b (Ubuntu package)
linux-image-oem-20.04c (Ubuntu package)
linux-image-oem-20.04d (Ubuntu package)
linux-image-virtual-hwe-20.04 (Ubuntu package)
linux-image-gkeop-5.15 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux (Debian package)

How to mitigate CVE-2023-52640

Install update from vendor's website.

Linux kernel - addressed in versions 5.15.150, 6.1.80, 6.6.19, 6.7.7, 6.8
linux (Ubuntu package) - update to 5.15.0-112.122
linux-gcp (Ubuntu package) - update to 5.15.0-1062.70
linux-oracle (Ubuntu package) - update to 5.15.0-1061.67
linux-lowlatency (Ubuntu package) - update to 5.15.0-110.120
linux-gke (Ubuntu package) - update to 5.15.0-1060.66
linux-lowlatency-hwe-5.15 (Ubuntu package) - update to 5.15.0-110.120~20.04.1
linux-intel-iotg (Ubuntu package) - update to 5.15.0-1058.64
linux-ibm (Ubuntu package) - update to 5.15.0-1056.59
linux-intel-iotg-5.15 (Ubuntu package) - update to 5.15.0-1058.64~20.04.1
linux-gcp-5.15 (Ubuntu package) - update to 5.15.0-1062.70~20.04.1
linux-xilinx-zynqmp (Ubuntu package) - update to 5.15.0-1030.34
kernel-livepatch-SLE15-SP6-RT_Update_1-debugsource - update to 1-150600.1.5.1
kernel-livepatch-6_4_0-150600_10_5-rt-debuginfo - update to 1-150600.1.5.1
kernel-livepatch-6_4_0-150600_10_5-rt - update to 1-150600.1.5.1
kernel-syms-azure - update to 6.4.0-150600.8.5.1
kernel-azure-livepatch-devel - update to 6.4.0-150600.8.5.4
reiserfs-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
cluster-md-kmp-azure - update to 6.4.0-150600.8.5.4
gfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
reiserfs-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-extra - update to 6.4.0-150600.8.5.4
kernel-azure-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-extra-debuginfo - update to 6.4.0-150600.8.5.4
dlm-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
dlm-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-optional - update to 6.4.0-150600.8.5.4
ocfs2-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
gfs2-kmp-azure - update to 6.4.0-150600.8.5.4
kselftests-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
cluster-md-kmp-azure-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-devel-debuginfo - update to 6.4.0-150600.8.5.4
ocfs2-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-debugsource - update to 6.4.0-150600.8.5.4
kernel-azure-devel - update to 6.4.0-150600.8.5.4
kselftests-kmp-azure - update to 6.4.0-150600.8.5.4
kernel-azure-optional-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure - update to 6.4.0-150600.8.5.4
kernel-azure-vdso-debuginfo - update to 6.4.0-150600.8.5.4
kernel-azure-vdso - update to 6.4.0-150600.8.5.4
kernel-devel-azure - update to 6.4.0-150600.8.5.4
kernel-source-azure - update to 6.4.0-150600.8.5.4
kernel-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-devel - update to 6.4.0-150600.10.5.1
cluster-md-kmp-rt - update to 6.4.0-150600.10.5.1
reiserfs-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug-livepatch-devel - update to 6.4.0-150600.10.5.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-vdso-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-extra - update to 6.4.0-150600.10.5.1
dlm-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt-optional-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-livepatch-devel - update to 6.4.0-150600.10.5.1
kernel-rt_debug-vdso-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-debuginfo - update to 6.4.0-150600.10.5.1
kselftests-kmp-rt - update to 6.4.0-150600.10.5.1
ocfs2-kmp-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug-devel-debuginfo - update to 6.4.0-150600.10.5.1
reiserfs-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-devel - update to 6.4.0-150600.10.5.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-devel-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-vdso - update to 6.4.0-150600.10.5.1
kernel-rt_debug-vdso - update to 6.4.0-150600.10.5.1
kselftests-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt_debug-debugsource - update to 6.4.0-150600.10.5.1
kernel-rt-extra-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt - update to 6.4.0-150600.10.5.1
kernel-rt_debug - update to 6.4.0-150600.10.5.1
kernel-source-rt - update to 6.4.0-150600.10.5.1
kernel-devel-rt - update to 6.4.0-150600.10.5.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150600.10.5.1
kernel-rt-optional - update to 6.4.0-150600.10.5.1
kernel-syms-rt - update to 6.4.0-150600.10.5.1
kernel-rt-debugsource - update to 6.4.0-150600.10.5.1
gfs2-kmp-rt - update to 6.4.0-150600.10.5.1
linux-5.15.160/kernel-huge - update to 5.15.160
linux-5.15.160/kernel-generic - update to 5.15.160
linux-5.15.160/kernel-modules - update to 5.15.160
linux-5.15.160/kernel-headers - update to 5.15.160_smp
linux-image-5.15.0-113-generic-lpae (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 (Ubuntu package) - update to 5.15.0-113.123~20.04.1
linux-image-5.15.0-1046-gkeop (Ubuntu package) - update to 5.15.0-1046.53~20.04.1
linux-image-5.15.0-1057-ibm (Ubuntu package) - update to 5.15.0-1057.60~20.04.1
linux-image-5.15.0-1058-raspi (Ubuntu package) - update to 5.15.0-1058.61
linux-image-5.15.0-1060-kvm (Ubuntu package) - update to 5.15.0-1060.65
linux-image-generic-64k-hwe-20.04 (Ubuntu package) - update to 5.15.0.113.123~20.04.1
linux-image-generic-hwe-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-oem-20.04 (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-20.04c (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-virtual-hwe-20.04 (Ubuntu package) - update to 5.15.0.113.123~20.04.1
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-gkeop (Ubuntu package) - update to 5.15.0.1046.45
linux-image-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-kvm (Ubuntu package) - update to 5.15.0.1060.56
linux (Debian package) - update to 6.1.85-1

External References

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