Improper error handling in Linux kernel - CVE-2025-37991

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Main Vulnerability Database Vulnerabilities #VU109546

Improper error handling in Linux kernel - CVE-2025-37991

Published: May 21, 2025 / Updated: May 21, 2025


Vulnerability identifier: #VU109546
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-2025-37991
CWE-ID: CWE-388
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 improper error handling within the handle_fpe() function in arch/parisc/math-emu/driver.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Debian Linux
Ubuntu
openEuler
Anolis OS
linux (Ubuntu package)
linux-kvm (Ubuntu package)
linux-gcp (Ubuntu package)
linux-aws (Ubuntu package)
linux-azure (Ubuntu package)
linux-raspi (Ubuntu package)
linux-oracle (Ubuntu package)
linux-lowlatency (Ubuntu package)
linux-gke (Ubuntu package)
linux-aws-5.15 (Ubuntu package)
linux-lowlatency-hwe-5.15 (Ubuntu package)
linux-hwe-5.15 (Ubuntu package)
linux-fips (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
linux-nvidia-tegra-igx (Ubuntu package)
linux-gkeop (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-ibm-5.15 (Ubuntu package)
linux-intel-iotg (Ubuntu package)
linux-realtime (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-ibm (Ubuntu package)
linux-oracle-5.15 (Ubuntu package)
linux-gcp-5.15 (Ubuntu package)
linux-nvidia-tegra-5.15 (Ubuntu package)
linux-xilinx-zynqmp (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-gcp-fips (Ubuntu package)
linux-aws-fips (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-oem-6.14 (Ubuntu package)
linux-aws-6.14 (Ubuntu package)
kernel
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
bpftool
kernel-source
kernel-extra-modules
kernel-64k-devel
kernel-64k-debug-devel
kernel-64k-debug
kernel-64k
kernel-tools-libs-devel
kernel-tools-libs
kernel-debug-devel
kernel-debug
linux-intel-iotg-5.15 (Ubuntu package)
linux (Debian package)
linux-hwe-6.8 (Ubuntu package)
linux-xilinx (Ubuntu package)
linux-nvidia-lowlatency (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-2025-37991

Install update from vendor's website.

Linux kernel - update to 5.15.182
linux (Ubuntu package) - addressed in versions 5.15.0-144.157, 6.8.0-100.100, 6.8.0-1047.51, 6.14.0-24.24
linux-kvm (Ubuntu package) - update to 5.15.0-1084.89
linux-gcp (Ubuntu package) - addressed in versions 5.15.0-1087.96, 6.8.0-1043.48, 6.8.0-1047.50~22.04.2, 6.14.0-1011.11
linux-aws (Ubuntu package) - addressed in versions 5.15.0-1088.95, 6.8.0-1030.33, 6.8.0-1043.44~22.04.1, 6.8.0-1043.44, 6.8.0-1046.49~22.04.1, 6.14.0-1009.9
linux-azure (Ubuntu package) - addressed in versions 5.15.0-1094.103, 6.8.0-1046.52, 6.14.0-1010.10
linux-raspi (Ubuntu package) - addressed in versions 5.15.0-1083.86, 6.14.0-1009.9
linux-oracle (Ubuntu package) - addressed in versions 5.15.0-1085.91, 6.14.0-1009.9
linux-lowlatency (Ubuntu package) - addressed in versions 5.15.0-144.157, 6.8.0-100.100.1
linux-gke (Ubuntu package) - update to 5.15.0-1085.91
linux-aws-5.15 (Ubuntu package) - update to 5.15.0-1088.95~20.04.1
linux-lowlatency-hwe-5.15 (Ubuntu package) - update to 5.15.0-144.157~20.04.1
linux-hwe-5.15 (Ubuntu package) - update to 5.15.0-144.157~20.04.1
linux-fips (Ubuntu package) - update to 5.15.0-144.157+fips1
linux-azure-5.15 (Ubuntu package) - update to 5.15.0-1094.103~20.04.1
linux-nvidia-tegra-igx (Ubuntu package) - update to 5.15.0-1030.30
linux-gkeop (Ubuntu package) - update to 5.15.0-1070.78
linux-nvidia-tegra (Ubuntu package) - update to 5.15.0-1041.41
linux-ibm-5.15 (Ubuntu package) - update to 5.15.0-1080.83~20.04.1
linux-intel-iotg (Ubuntu package) - update to 5.15.0-1083.89
linux-realtime (Ubuntu package) - addressed in versions 5.15.0-1088.97, 6.14.0-1006.6
linux-nvidia (Ubuntu package) - update to 5.15.0-1082.83
linux-ibm (Ubuntu package) - addressed in versions 5.15.0-1080.83, 6.8.0-1044.44~22.04.1, 6.8.0-1044.44
linux-oracle-5.15 (Ubuntu package) - update to 5.15.0-1085.91~20.04.3
linux-gcp-5.15 (Ubuntu package) - update to 5.15.0-1087.96~20.04.2
linux-nvidia-tegra-5.15 (Ubuntu package) - update to 5.15.0-1041.41~20.04.1
linux-xilinx-zynqmp (Ubuntu package) - update to 5.15.0-1052.56
linux-intel-iot-realtime (Ubuntu package) - update to 5.15.0-1081.83
linux-gcp-fips (Ubuntu package) - addressed in versions 5.15.0-1087.96+fips1, 6.8.0-1047.50+fips1
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0-1088.95+fips1, 6.8.0-100.100+fips1, 6.8.0-1046.49+fips1
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0-1094.103+fips1, 6.8.0-1046.52+fips1
linux-oem-6.14 (Ubuntu package) - update to 6.14.0-1007.7
linux-aws-6.14 (Ubuntu package) - update to 6.14.0-1009.9~24.04.1
kernel - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
python3-perf-debuginfo - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
python3-perf - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
perf-debuginfo - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
perf - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-tools-devel - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-tools-debuginfo - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-tools - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-headers - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-devel - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-debugsource - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-debuginfo - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
bpftool-debuginfo - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
bpftool - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-source - addressed in versions 5.10.0-330.0.0.231, 6.6.0-100.0.0.92, 6.6.0-100.0.0.103, 6.6.0-101.0.0.107
kernel-extra-modules - update to 6.6.0-101.0.0.107
perf - update to 6.6.102-5
kernel-64k-devel - update to 6.6.102-5
kernel-64k-debug-devel - update to 6.6.102-5
kernel-64k-debug - update to 6.6.102-5
kernel-64k - update to 6.6.102-5
python3-perf - update to 6.6.102-5
kernel-tools-libs-devel - update to 6.6.102-5
kernel-tools-libs - update to 6.6.102-5
kernel-headers - update to 6.6.102-5
kernel-devel - update to 6.6.102-5
kernel-tools - 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
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 (Debian package) - update to 6.1.140-1
linux-hwe-6.8 (Ubuntu package) - addressed in versions 6.8.0-100.100~22.04.1, 6.8.0-100.100.1~22.04.1
linux-xilinx (Ubuntu package) - addressed in versions 6.8.0-1023.24, 6.8.0.1023.24
linux-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1046.49.1
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

Related Security Bulletins