Out-of-bounds read in Linux kernel - CVE-2023-53748

 

Out-of-bounds read in Linux kernel - CVE-2023-53748

Published: December 8, 2025 / Updated: December 12, 2025


Vulnerability identifier: #VU119318
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-2023-53748
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 vb2ops_vdec_queue_setup() function in drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Live Patching
kgraft-patch-4_12_14-122_290-default
dlm-kmp-default
kernel-default-kgraft-devel
kernel-default-kgraft
kernel-default-devel-debuginfo
kernel-default-man
kernel-source
kernel-devel
kernel-macros
kernel-default
ocfs2-kmp-default
cluster-md-kmp-default
kernel-default-debugsource
gfs2-kmp-default-debuginfo
kernel-default-debuginfo
kernel-syms
kernel-default-base-debuginfo
kernel-default-base
dlm-kmp-default-debuginfo
kernel-default-devel
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
gfs2-kmp-default

How to mitigate CVE-2023-53748

Install update from vendor's repository.

Linux kernel - update to 6.3.4
kgraft-patch-4_12_14-122_290-default - update to 1-8.7.1
dlm-kmp-default - update to 4.12.14-122.290.1
kernel-default-kgraft-devel - update to 4.12.14-122.290.1
kernel-default-kgraft - update to 4.12.14-122.290.1
kernel-default-devel-debuginfo - update to 4.12.14-122.290.1
kernel-default-man - update to 4.12.14-122.290.1
kernel-source - update to 4.12.14-122.290.1
kernel-devel - update to 4.12.14-122.290.1
kernel-macros - update to 4.12.14-122.290.1
kernel-default - update to 4.12.14-122.290.1
ocfs2-kmp-default - update to 4.12.14-122.290.1
cluster-md-kmp-default - update to 4.12.14-122.290.1
kernel-default-debugsource - update to 4.12.14-122.290.1
gfs2-kmp-default-debuginfo - update to 4.12.14-122.290.1
kernel-default-debuginfo - update to 4.12.14-122.290.1
kernel-syms - update to 4.12.14-122.290.1
kernel-default-base-debuginfo - update to 4.12.14-122.290.1
kernel-default-base - update to 4.12.14-122.290.1
dlm-kmp-default-debuginfo - update to 4.12.14-122.290.1
kernel-default-devel - update to 4.12.14-122.290.1
cluster-md-kmp-default-debuginfo - update to 4.12.14-122.290.1
ocfs2-kmp-default-debuginfo - update to 4.12.14-122.290.1
gfs2-kmp-default - update to 4.12.14-122.290.1

External References

Related Security Bulletins