Improper error handling in Linux kernel - CVE-2025-39883

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Main Vulnerability Database Vulnerabilities #VU116057

Improper error handling in Linux kernel - CVE-2025-39883

Published: September 23, 2025


Vulnerability identifier: #VU116057
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-2025-39883
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 unpoison_memory() function in mm/memory-failure.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
Red Hat Enterprise Linux for Real Time
Red Hat CodeReady Linux Builder for ARM 64
Anolis OS
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
openEuler
Ubuntu
Netezza Appliance
IBM Qradar SIEM
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
kernel (Red Hat package)
kernel-rt (Red Hat package)
kernel-abi-stablelists
kernel-doc
kernel-debug-modules-extra
kernel-debug-modules
kernel-debug-devel
kernel-debug-core
kernel-debug
kernel-cross-headers
kernel-core
kernel
bpftool
kernel-headers
kernel-modules
kernel-modules-extra
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python3-perf
kernel-devel
kernel-tools-debuginfo
kernel-tools-devel
perf-debuginfo
python2-perf
bpftool-debuginfo
python2-perf-debuginfo
python3-perf-debuginfo
kernel-source
kernel-debugsource
kernel-debuginfo
linux-aws-fips (Ubuntu package)
linux (Ubuntu package)
linux-nvidia-tegra-igx (Ubuntu package)
linux-nvidia-tegra (Ubuntu package)
linux-intel-iotg-5.15 (Ubuntu package)
linux-gcp-5.15 (Ubuntu package)
linux-intel-iot-realtime (Ubuntu package)
linux-nvidia (Ubuntu package)
linux-intel-iotg (Ubuntu package)
linux-raspi (Ubuntu package)
linux-aws-5.15 (Ubuntu package)
linux-azure-fips (Ubuntu package)
linux-azure (Ubuntu package)
linux-azure-5.15 (Ubuntu package)
kernel-extra-modules
linux-xilinx (Ubuntu package)
linux-aws-6.8 (Ubuntu package)
linux-azure-6.8 (Ubuntu package)
linux-realtime (Ubuntu package)

How to mitigate CVE-2025-39883

Install update from vendor's repository.

Netezza Appliance - update to 1.0.1.0 fp278500
IBM Qradar SIEM - update to 7.5.0 Update Pack 14 IF03
kernel (Red Hat package) - addressed in versions 4.18.0-193.178.1.el8_2, 4.18.0-305.183.1.el8_4, 4.18.0-372.170.1.el8_6, 4.18.0-477.120.1.el8_8, 4.18.0-553.87.1.el8_10, 5.14.0-427.102.1.el9_4, 5.14.0-570.69.1.el9_6, 5.14.0-611.20.1.el9_7, 6.12.0-55.52.1.el10_0
kernel-rt (Red Hat package) - addressed in versions 4.18.0-553.87.1.rt7.428.el8_10, 5.14.0-70.157.1.rt21.229.el9_0, 5.14.0-284.149.1.rt14.434.el9_2
kernel-abi-stablelists - update to 4.18.0-553.87.1.0.1
kernel-doc - update to 4.18.0-553.87.1.0.1
kernel-debug-modules-extra - update to 4.18.0-553.87.1.0.1
kernel-debug-modules - update to 4.18.0-553.87.1.0.1
kernel-debug-devel - update to 4.18.0-553.87.1.0.1
kernel-debug-core - update to 4.18.0-553.87.1.0.1
kernel-debug - update to 4.18.0-553.87.1.0.1
kernel-cross-headers - update to 4.18.0-553.87.1.0.1
kernel-core - update to 4.18.0-553.87.1.0.1
kernel - update to 4.18.0-553.87.1.0.1
bpftool - update to 4.18.0-553.87.1.0.1
kernel-headers - update to 4.18.0-553.87.1.0.1
kernel-modules - update to 4.18.0-553.87.1.0.1
kernel-modules-extra - update to 4.18.0-553.87.1.0.1
kernel-tools - update to 4.18.0-553.87.1.0.1
kernel-tools-libs - update to 4.18.0-553.87.1.0.1
kernel-tools-libs-devel - update to 4.18.0-553.87.1.0.1
perf - update to 4.18.0-553.87.1.0.1
python3-perf - update to 4.18.0-553.87.1.0.1
kernel-devel - update to 4.18.0-553.87.1.0.1
kernel-tools-debuginfo - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-tools-devel - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
perf - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
perf-debuginfo - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
python2-perf - update to 4.19.90-2510.1.0.0346
bpftool-debuginfo - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
python2-perf-debuginfo - update to 4.19.90-2510.1.0.0346
python3-perf - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
python3-perf-debuginfo - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-source - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-devel - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-debugsource - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-debuginfo - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
bpftool - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-tools - addressed in versions 4.19.90-2510.1.0.0346, 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
kernel-headers - addressed in versions 5.10.0-284.0.0.186, 5.10.0-284.0.0.187, 6.6.0-112.0.0.104, 6.6.0-112.0.0.115, 6.6.0-112.0.0.118
linux-aws-fips (Ubuntu package) - addressed in versions 5.15.0.170.97, 5.15.0-170.180+fips1, 5.15.0.1100.90, 5.15.0.1100.96, 5.15.0-1100.107+fips1, 5.15.0-1100.109+fips1, 6.8.0-106.106+fips1, 6.8.0-1050.53+fips1, 6.8.0-1052.55+fips1
linux (Ubuntu package) - addressed in versions 5.15.0.170.143, 5.15.0.170.159, 5.15.0-170.180, 5.15.0-170.180~20.04.1, 5.15.0.170.180~20.04.1, 5.15.0-170.180~20.04.3, 5.15.0.170.180~20.04.3, 5.15.0.1083.82, 5.15.0-1083.91, 5.15.0.1094.90, 5.15.0-1094.97, 5.15.0-1094.97~20.04.1, 5.15.0.1094.97~20.04.1, 5.15.0.1096.95, 5.15.0-1096.102, 5.15.0.1100.96, 5.15.0.1100.103, 5.15.0-1100.107, 5.15.0-1100.109, 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-nvidia-tegra-igx (Ubuntu package) - addressed in versions 5.15.0-1041.41+1, 5.15.0.1041.43
linux-nvidia-tegra (Ubuntu package) - addressed in versions 5.15.0-1052.52, 5.15.0.1052.52, 5.15.0-1052.52~20.04.2, 5.15.0.1052.52~20.04.2
linux-intel-iotg-5.15 (Ubuntu package) - addressed in versions 5.15.0.1064.67, 5.15.0-1064.68, 5.15.0.1095.101~20.04.1, 5.15.0-1095.101~20.04.1
linux-gcp-5.15 (Ubuntu package) - addressed in versions 5.15.0.1092.88, 5.15.0-1092.97, 5.15.0.1097.93, 5.15.0-1097.103, 5.15.0.1097.103~20.04.1, 5.15.0-1097.103~20.04.1, 5.15.0-1100.109~20.04.1, 5.15.0.1100.109~20.04.1
linux-intel-iot-realtime (Ubuntu package) - addressed in versions 5.15.0-1092.94, 5.15.0.1092.96, 5.15.0.1099.103, 5.15.0-1099.108
linux-nvidia (Ubuntu package) - addressed in versions 5.15.0.1095.95, 5.15.0-1095.96, 6.8.0-1049.52, 6.8.0-1049.52.1, 6.8.0-1049.52~22.04.1
linux-intel-iotg (Ubuntu package) - addressed in versions 5.15.0.1095.95, 5.15.0-1095.101
linux-raspi (Ubuntu package) - addressed in versions 5.15.0.1097.95, 5.15.0-1097.100, 6.8.0-1050.54, 6.8.0-2040.41
linux-aws-5.15 (Ubuntu package) - addressed in versions 5.15.0.1100.107~20.04.1, 5.15.0-1100.107~20.04.2
linux-azure-fips (Ubuntu package) - addressed in versions 5.15.0.1109.94, 5.15.0-1109.118+fips1, 6.8.0-1052.58+fips1
linux-azure (Ubuntu package) - addressed in versions 5.15.0.1109.107, 5.15.0-1109.118, 6.8.0-1051.57
linux-azure-5.15 (Ubuntu package) - update to 5.15.0-1110.119~20.04.1
kernel-extra-modules - update to 6.6.0-112.0.0.118
linux-xilinx (Ubuntu package) - update to 6.8.0-1029.30
linux-aws-6.8 (Ubuntu package) - update to 6.8.0-1050.53~22.04.1
linux-azure-6.8 (Ubuntu package) - update to 6.8.0-1051.57~22.04.1
linux-realtime (Ubuntu package) - addressed in versions 6.8.1-1045.46, 6.8.1-1045.46~22.04.1

External References

Related Security Bulletins