Double free in Linux kernel - CVE-2025-37817
Published: May 8, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108815
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-2025-37817
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 chameleon_parse_gdd() function in drivers/mcb/mcb-parse.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Ubuntu
Anolis OS
openEuler
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-xilinx-zynqmp (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-raspi (Ubuntu package)
linux-intel-iotg-5.15 (Ubuntu package)
linux-kvm (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
kernel-debugsource
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-devel
kernel-headers
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel-extra-modules
kernel-tools-libs
kernel-64k-debug
kernel-tools-libs-devel
kernel-64k
kernel-debug-devel
kernel-debug
kernel-64k-debug-devel
kernel-64k-devel
linux-lowlatency (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-ibm (Ubuntu package)
linux-nvidia-lowlatency (Ubuntu package)
linux-gcp-fips (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-realtime-6.8 (Ubuntu package)
Ubuntu
Anolis OS
openEuler
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-xilinx-zynqmp (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-raspi (Ubuntu package)
linux-intel-iotg-5.15 (Ubuntu package)
linux-kvm (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
kernel-debugsource
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-devel
kernel-headers
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
python3-perf-debuginfo
kernel-extra-modules
kernel-tools-libs
kernel-64k-debug
kernel-tools-libs-devel
kernel-64k
kernel-debug-devel
kernel-debug
kernel-64k-debug-devel
kernel-64k-devel
linux-lowlatency (Ubuntu package)
linux-hwe-6.8 (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-aws (Ubuntu package)
linux-gcp (Ubuntu package)
linux-ibm (Ubuntu package)
linux-nvidia-lowlatency (Ubuntu package)
linux-gcp-fips (Ubuntu package)
linux-gcp-6.8 (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-raspi-realtime (Ubuntu package)
linux-realtime-6.8 (Ubuntu package)
How to mitigate CVE-2025-37817
Install update from vendor's website.
Linux kernel - update to 6.12.26
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.144.84, 5.15.0-144.157+fips1, 5.15.0.1087.77, 5.15.0-1087.96+fips1, 5.15.0.1088.84, 5.15.0-1088.95+fips1, 6.8.0-100.100+fips1, 6.8.0-1046.49+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.144.130, 5.15.0.144.141, 5.15.0-144.157, 5.15.0-144.157~20.04.1, 5.15.0.144.157~20.04.1, 5.15.0-1030.30, 5.15.0.1030.32, 5.15.0.1041.41, 5.15.0-1041.41, 5.15.0-1041.41~20.04.1, 5.15.0.1041.41~20.04.1, 5.15.0.1070.69, 5.15.0-1070.78, 5.15.0.1080.76, 5.15.0-1080.83, 5.15.0-1080.83~20.04.1, 5.15.0.1080.83~20.04.1, 5.15.0.1082.82, 5.15.0-1082.83, 5.15.0.1083.83, 5.15.0-1083.89, 5.15.0.1085.81, 5.15.0.1085.84, 5.15.0-1085.91, 5.15.0-1085.91~20.04.3, 5.15.0.1085.91~20.04.3, 5.15.0.1087.83, 5.15.0-1087.96, 5.15.0.1087.96~20.04.1, 5.15.0-1087.96~20.04.2, 5.15.0.1088.91, 5.15.0-1088.95, 5.15.0.1088.95~20.04.1, 5.15.0-1088.95~20.04.1, 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-xilinx-zynqmp (Ubuntu package) - addressed in versions 5.15.0.1052.55, 5.15.0-1052.56
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1081.83, 5.15.0.1081.85, 5.15.0.1088.92, 5.15.0-1088.97
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1083.81, 5.15.0-1083.86
linux-intel-iotg-5.15 (Ubuntu package) - addressed in versions 5.15.0.1083.89~20.04.1, 5.15.0-1083.89~20.04.1
linux-kvm (Ubuntu package) - addressed in versions 5.15.0.1084.80, 5.15.0-1084.89
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1094.79, 5.15.0-1094.103+fips1, 6.8.0-1046.52+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1094.92, 5.15.0-1094.103, 6.8.0-1046.52, 6.14.0-1007.7
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0.1094.103~20.04.1, 5.15.0-1094.103~20.04.1
kernel-debugsource - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
bpftool - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
bpftool-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-devel - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-headers - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-source - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools-devel - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
perf - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
perf-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
python3-perf - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
python3-perf-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-extra-modules - update to 6.6.0-102.0.0.108
kernel-devel - update to 6.6.102-5
kernel-tools-libs - update to 6.6.102-5
kernel-tools - update to 6.6.102-5
kernel-headers - update to 6.6.102-5
kernel-64k-debug - update to 6.6.102-5
kernel-tools-libs-devel - update to 6.6.102-5
perf - update to 6.6.102-5
python3-perf - update to 6.6.102-5
kernel-64k - update to 6.6.102-5
kernel-debug-devel - update to 6.6.102-5
kernel-debug - update to 6.6.102-5
kernel - update to 6.6.102-5
bpftool - update to 6.6.102-5
kernel-64k-debug-devel - update to 6.6.102-5
kernel-64k-devel - update to 6.6.102-5
linux-lowlatency (Ubuntu package) - update to 6.8.0-100.100.1
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-100.100.1~22.04.1, 6.8.0-100.100~22.04.1
linux-xilinx (Ubuntu package) - addressed in versions 6.8.0.1023.24, 6.8.0-1023.24
linux-aws (Ubuntu package) - addressed in versions 6.8.0-1030.33, 6.8.0-1043.44, 6.8.0-1043.44~22.04.1, 6.8.0-1046.49~22.04.1, 6.14.0-1007.7, 6.14.0-1007.7+1
linux-gcp (Ubuntu package) - addressed in versions 6.8.0-1043.48, 6.8.0-1047.50~22.04.2
linux-ibm (Ubuntu package) - addressed in versions 6.8.0-1044.44, 6.8.0-1044.44~22.04.1
linux-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1046.49.1
linux-gcp-fips (Ubuntu package) - update to 6.8.0-1047.50+fips1
linux-gcp-6.8 (Ubuntu package) - update to 6.8.0-1047.50~22.04.2
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
linux-raspi-realtime (Ubuntu package) - addressed in versions 6.8.0-2037.38, 6.8.1-1041.42
linux-realtime-6.8 (Ubuntu package) - update to 6.8.1-1041.42~22.04.1
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.144.84, 5.15.0-144.157+fips1, 5.15.0.1087.77, 5.15.0-1087.96+fips1, 5.15.0.1088.84, 5.15.0-1088.95+fips1, 6.8.0-100.100+fips1, 6.8.0-1046.49+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.144.130, 5.15.0.144.141, 5.15.0-144.157, 5.15.0-144.157~20.04.1, 5.15.0.144.157~20.04.1, 5.15.0-1030.30, 5.15.0.1030.32, 5.15.0.1041.41, 5.15.0-1041.41, 5.15.0-1041.41~20.04.1, 5.15.0.1041.41~20.04.1, 5.15.0.1070.69, 5.15.0-1070.78, 5.15.0.1080.76, 5.15.0-1080.83, 5.15.0-1080.83~20.04.1, 5.15.0.1080.83~20.04.1, 5.15.0.1082.82, 5.15.0-1082.83, 5.15.0.1083.83, 5.15.0-1083.89, 5.15.0.1085.81, 5.15.0.1085.84, 5.15.0-1085.91, 5.15.0-1085.91~20.04.3, 5.15.0.1085.91~20.04.3, 5.15.0.1087.83, 5.15.0-1087.96, 5.15.0.1087.96~20.04.1, 5.15.0-1087.96~20.04.2, 5.15.0.1088.91, 5.15.0-1088.95, 5.15.0.1088.95~20.04.1, 5.15.0-1088.95~20.04.1, 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-22.22, 6.14.0-1004.4, 6.14.0-1007.7, 6.14.0-1008.8
linux-xilinx-zynqmp (Ubuntu package) - addressed in versions 5.15.0.1052.55, 5.15.0-1052.56
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1081.83, 5.15.0.1081.85, 5.15.0.1088.92, 5.15.0-1088.97
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1083.81, 5.15.0-1083.86
linux-intel-iotg-5.15 (Ubuntu package) - addressed in versions 5.15.0.1083.89~20.04.1, 5.15.0-1083.89~20.04.1
linux-kvm (Ubuntu package) - addressed in versions 5.15.0.1084.80, 5.15.0-1084.89
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1094.79, 5.15.0-1094.103+fips1, 6.8.0-1046.52+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1094.92, 5.15.0-1094.103, 6.8.0-1046.52, 6.14.0-1007.7
linux-azure-5.15 (Ubuntu package) - addressed in versions 5.15.0.1094.103~20.04.1, 5.15.0-1094.103~20.04.1
kernel-debugsource - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
bpftool - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
bpftool-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-devel - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-headers - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-source - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-tools-devel - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
perf - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
perf-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
python3-perf - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
python3-perf-debuginfo - addressed in versions 6.6.0-102.0.0.94, 6.6.0-102.0.0.105, 6.6.0-102.0.0.108
kernel-extra-modules - update to 6.6.0-102.0.0.108
kernel-devel - update to 6.6.102-5
kernel-tools-libs - update to 6.6.102-5
kernel-tools - update to 6.6.102-5
kernel-headers - update to 6.6.102-5
kernel-64k-debug - update to 6.6.102-5
kernel-tools-libs-devel - update to 6.6.102-5
perf - update to 6.6.102-5
python3-perf - update to 6.6.102-5
kernel-64k - update to 6.6.102-5
kernel-debug-devel - update to 6.6.102-5
kernel-debug - update to 6.6.102-5
kernel - update to 6.6.102-5
bpftool - update to 6.6.102-5
kernel-64k-debug-devel - update to 6.6.102-5
kernel-64k-devel - update to 6.6.102-5
linux-lowlatency (Ubuntu package) - update to 6.8.0-100.100.1
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-100.100.1~22.04.1, 6.8.0-100.100~22.04.1
linux-xilinx (Ubuntu package) - addressed in versions 6.8.0.1023.24, 6.8.0-1023.24
linux-aws (Ubuntu package) - addressed in versions 6.8.0-1030.33, 6.8.0-1043.44, 6.8.0-1043.44~22.04.1, 6.8.0-1046.49~22.04.1, 6.14.0-1007.7, 6.14.0-1007.7+1
linux-gcp (Ubuntu package) - addressed in versions 6.8.0-1043.48, 6.8.0-1047.50~22.04.2
linux-ibm (Ubuntu package) - addressed in versions 6.8.0-1044.44, 6.8.0-1044.44~22.04.1
linux-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1046.49.1
linux-gcp-fips (Ubuntu package) - update to 6.8.0-1047.50+fips1
linux-gcp-6.8 (Ubuntu package) - update to 6.8.0-1047.50~22.04.2
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
linux-raspi-realtime (Ubuntu package) - addressed in versions 6.8.0-2037.38, 6.8.1-1041.42
linux-realtime-6.8 (Ubuntu package) - update to 6.8.1-1041.42~22.04.1
External References
- https://git.kernel.org/stable/c/4ffe8c9fb561e4427dd1a3056cd5b3685b74f78d
- https://git.kernel.org/stable/c/59f993cd36b6e28a394ba3d977e8ffe5c9884e3b
- https://git.kernel.org/stable/c/7c7f1bfdb2249f854a736d9b79778c7e5a29a150
- https://git.kernel.org/stable/c/96838eb1836fd372e42be5db84f0b333b65146a6
- https://git.kernel.org/stable/c/bcc7d58ee5173e34306026bd01e1fbf75e169d37
- https://git.kernel.org/stable/c/c5b8a549ef1fcc6066b037a3962c79d60465ba0b
- https://git.kernel.org/stable/c/d70184958b0ea8c0fd52e2b456654b503e769fc8
- https://git.kernel.org/stable/c/df1a5d5c6134224f9298e5189230f9d29ae50cac
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.26
Related Security Bulletins
- Double free in Linux kernel mcb driver
- Ubuntu update for linux
- Ubuntu update for linux-azure
- Ubuntu update for linux-aws-fips
- Ubuntu update for linux-intel-iot-realtime
- Ubuntu update for linux
- Ubuntu update for linux-intel-iotg-5.15
- Ubuntu update for linux-kvm
- openEuler 24.03 LTS SP2 update for kernel
- openEuler 24.03 LTS SP1 update for kernel
- openEuler 24.03 LTS update for kernel
- Ubuntu update for linux-xilinx-zynqmp
- Ubuntu update for linux-azure
- Ubuntu update for linux-azure-fips
- Ubuntu update for linux-raspi
- Ubuntu update for linux-azure-5.15
- Anolis OS update for kernel:6.6
- Ubuntu update for linux-aws
- Ubuntu update for linux
- Ubuntu update for linux-realtime-6.8
- Ubuntu update for linux-gcp-6.8
- Ubuntu update for linux-aws-fips
- Ubuntu update for linux-raspi-realtime
- Ubuntu update for linux-aws
- Ubuntu update for linux-gcp-fips
- Ubuntu update for linux-hwe-6.8
- Ubuntu update for linux-lowlatency
- Ubuntu update for linux-gcp
- Ubuntu update for linux-nvidia-lowlatency
- Ubuntu update for linux-xilinx
- Ubuntu update for linux-ibm
- Ubuntu update for linux-azure-fips
- Ubuntu update for linux-azure
- Ubuntu update for linux-azure-6.8