Input validation error in Linux kernel - CVE-2025-39807

Vulnerability identifier: #VU115634

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-2025-39807

CWE-ID: CWE-20

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to improper input validation within the mtk_plane_atomic_disable() function in drivers/gpu/drm/mediatek/mtk_plane.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Debian Linux
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Workstation Extension 15
Basesystem Module
SUSE Real Time Module
Public Cloud Module
SUSE Linux Enterprise Live Patching
Legacy Module
Development Tools Module
Ubuntu
kernel-livepatch-6_4_0-150700_7_19-rt-debuginfo
kernel-livepatch-6_4_0-150700_7_19-rt
kernel-livepatch-SLE15-SP7-RT_Update_5-debugsource
kernel-livepatch-6_4_0-150700_53_19-default
kernel-livepatch-SLE15-SP7_Update_5-debugsource
kernel-livepatch-6_4_0-150700_53_19-default-debuginfo
kernel-syms-rt
kernel-rt-devel-debuginfo
kernel-rt-devel
cluster-md-kmp-rt-debuginfo
dlm-kmp-rt
cluster-md-kmp-rt
kernel-rt
kernel-source-rt
kernel-devel-rt
ocfs2-kmp-rt
ocfs2-kmp-rt-debuginfo
gfs2-kmp-rt-debuginfo
kernel-rt-debugsource
kernel-rt-debuginfo
gfs2-kmp-rt
dlm-kmp-rt-debuginfo
kernel-syms-azure
kernel-source-azure
kernel-devel-azure
kernel-azure-debuginfo
kernel-azure-devel
kernel-azure-devel-debuginfo
kernel-azure-debugsource
kernel-azure
kernel-64kb
kernel-default-livepatch-devel
kernel-default-livepatch
kernel-default-extra-debuginfo
kernel-64kb-debugsource
kernel-64kb-devel-debuginfo
kernel-64kb-debuginfo
kernel-64kb-devel
kernel-default
kernel-default-devel-debuginfo
kernel-default-debugsource
kernel-default-debuginfo
kernel-default-devel
kernel-macros
kernel-devel
kernel-zfcpdump
kernel-zfcpdump-debuginfo
kernel-zfcpdump-debugsource
kernel-docs
kernel-obs-build-debugsource
kernel-obs-build
kernel-default-extra
cluster-md-kmp-default-debuginfo
ocfs2-kmp-default
dlm-kmp-default-debuginfo
gfs2-kmp-default
dlm-kmp-default
gfs2-kmp-default-debuginfo
ocfs2-kmp-default-debuginfo
cluster-md-kmp-default
reiserfs-kmp-default
reiserfs-kmp-default-debuginfo
kernel-source
kernel-syms
kernel-default-base
linux (Ubuntu package)
linux-aws-fips (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-aws-6.8 (Ubuntu package)
linux-raspi (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-realtime (Ubuntu package)
linux (Debian package)

Install update from vendor's repository.

kernel-livepatch-6_4_0-150700_7_19-rt-debuginfo - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_7_19-rt - update to 1-150700.1.3.1
kernel-livepatch-SLE15-SP7-RT_Update_5-debugsource - update to 1-150700.1.3.1
kernel-livepatch-6_4_0-150700_53_19-default - update to 1-150700.15.3.1
kernel-livepatch-SLE15-SP7_Update_5-debugsource - update to 1-150700.15.3.1
kernel-livepatch-6_4_0-150700_53_19-default-debuginfo - update to 1-150700.15.3.1
kernel-syms-rt - update to 6.4.0-150700.7.19.1
kernel-rt-devel-debuginfo - update to 6.4.0-150700.7.19.1
kernel-rt-devel - update to 6.4.0-150700.7.19.1
cluster-md-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
dlm-kmp-rt - update to 6.4.0-150700.7.19.1
cluster-md-kmp-rt - update to 6.4.0-150700.7.19.1
kernel-rt - update to 6.4.0-150700.7.19.1
kernel-source-rt - update to 6.4.0-150700.7.19.1
kernel-devel-rt - update to 6.4.0-150700.7.19.1
ocfs2-kmp-rt - update to 6.4.0-150700.7.19.1
ocfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
gfs2-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
kernel-rt-debugsource - update to 6.4.0-150700.7.19.1
kernel-rt-debuginfo - update to 6.4.0-150700.7.19.1
gfs2-kmp-rt - update to 6.4.0-150700.7.19.1
dlm-kmp-rt-debuginfo - update to 6.4.0-150700.7.19.1
kernel-syms-azure - update to 6.4.0-150700.20.15.1
kernel-source-azure - update to 6.4.0-150700.20.15.2
kernel-devel-azure - update to 6.4.0-150700.20.15.2
kernel-azure-debuginfo - update to 6.4.0-150700.20.15.2
kernel-azure-devel - update to 6.4.0-150700.20.15.2
kernel-azure-devel-debuginfo - update to 6.4.0-150700.20.15.2
kernel-azure-debugsource - update to 6.4.0-150700.20.15.2
kernel-azure - update to 6.4.0-150700.20.15.2
kernel-64kb - update to 6.4.0-150700.53.19.1
kernel-default-livepatch-devel - update to 6.4.0-150700.53.19.1
kernel-default-livepatch - update to 6.4.0-150700.53.19.1
kernel-default-extra-debuginfo - update to 6.4.0-150700.53.19.1
kernel-64kb-debugsource - update to 6.4.0-150700.53.19.1
kernel-64kb-devel-debuginfo - update to 6.4.0-150700.53.19.1
kernel-64kb-debuginfo - update to 6.4.0-150700.53.19.1
kernel-64kb-devel - update to 6.4.0-150700.53.19.1
kernel-default - update to 6.4.0-150700.53.19.1
kernel-default-devel-debuginfo - update to 6.4.0-150700.53.19.1
kernel-default-debugsource - update to 6.4.0-150700.53.19.1
kernel-default-debuginfo - update to 6.4.0-150700.53.19.1
kernel-default-devel - update to 6.4.0-150700.53.19.1
kernel-macros - update to 6.4.0-150700.53.19.1
kernel-devel - update to 6.4.0-150700.53.19.1
kernel-zfcpdump - update to 6.4.0-150700.53.19.1
kernel-zfcpdump-debuginfo - update to 6.4.0-150700.53.19.1
kernel-zfcpdump-debugsource - update to 6.4.0-150700.53.19.1
kernel-docs - update to 6.4.0-150700.53.19.1
kernel-obs-build-debugsource - update to 6.4.0-150700.53.19.1
kernel-obs-build - update to 6.4.0-150700.53.19.1
kernel-default-extra - update to 6.4.0-150700.53.19.1
cluster-md-kmp-default-debuginfo - update to 6.4.0-150700.53.19.1
ocfs2-kmp-default - update to 6.4.0-150700.53.19.1
dlm-kmp-default-debuginfo - update to 6.4.0-150700.53.19.1
gfs2-kmp-default - update to 6.4.0-150700.53.19.1
dlm-kmp-default - update to 6.4.0-150700.53.19.1
gfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.19.1
ocfs2-kmp-default-debuginfo - update to 6.4.0-150700.53.19.1
cluster-md-kmp-default - update to 6.4.0-150700.53.19.1
reiserfs-kmp-default - update to 6.4.0-150700.53.19.1
reiserfs-kmp-default-debuginfo - update to 6.4.0-150700.53.19.1
kernel-source - update to 6.4.0-150700.53.19.1
kernel-syms - update to 6.4.0-150700.53.19.1
kernel-default-base - update to 6.4.0-150700.53.19.1.150700.17.13.1
linux (Ubuntu package) - addressed in versions 6.8.0-106.106, 6.8.0-106.106.1, 6.8.0-106.106.1~22.04.1, 6.8.0-106.106~22.04.1, 6.8.0-1035.38, 6.8.0-1047.48, 6.8.0-1047.48~22.04.1, 6.8.0-1048.53, 6.8.0-1049.49, 6.8.0-1049.49~22.04.1, 6.8.0-1050.53, 6.8.0-1052.55, 6.8.0-1052.55~22.04.1
linux-aws-fips (Ubuntu package) - addressed in versions 6.8.0-106.106+fips1, 6.8.0-1050.53+fips1, 6.8.0-1052.55+fips1
linux-xilinx (Ubuntu package) - update to 6.8.0-1029.30
linux-nvidia (Ubuntu package) - addressed in versions 6.8.0-1049.52, 6.8.0-1049.52.1, 6.8.0-1049.52~22.04.1
linux-aws-6.8 (Ubuntu package) - update to 6.8.0-1050.53~22.04.1
linux-raspi (Ubuntu package) - addressed in versions 6.8.0-1050.54, 6.8.0-2040.41
linux-azure (Ubuntu package) - update to 6.8.0-1051.57
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
linux-azure-fips (Ubuntu package) - update to 6.8.0-1052.58+fips1
linux-realtime (Ubuntu package) - addressed in versions 6.8.1-1045.46, 6.8.1-1045.46~22.04.1
linux (Debian package) - update to 6.12.48-1

• https://git.kernel.org/stable/c/0c6b24d70da21201ed009a2aca740d2dfddc7ab5
• https://git.kernel.org/stable/c/7d5cc22efa44e0fe321ce195c71c3d7da211fbb2
• https://git.kernel.org/stable/c/9a94e9d8b50bcfe89693bc899a54d3866d86e973

• Input validation error in Linux kernel drm mediatek driver
• Debian update for linux
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• SUSE update for the Linux Kernel
• Ubuntu update for linux
• Ubuntu update for linux-aws-fips
• Ubuntu update for linux-nvidia
• Ubuntu update for linux-realtime
• Ubuntu update for linux-aws-6.8
• Ubuntu update for linux-azure-6.8
• Ubuntu update for linux-azure
• Ubuntu update for linux-raspi
• Ubuntu update for linux-azure-fips
• Ubuntu update for linux-xilinx