Resource management error in Linux kernel - CVE-2025-21907

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Main Vulnerability Database Vulnerabilities #VU106856

Resource management error in Linux kernel - CVE-2025-21907

Published: April 2, 2025 / Updated: May 11, 2025


Vulnerability identifier: #VU106856
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-2025-21907
CWE-ID: CWE-399
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 resource management error within the do_migrate_range() function in mm/memory_hotplug.c, within the get_hwpoison_page(), unmap_poisoned_folio() and hwpoison_user_mappings() functions in mm/memory-failure.c. A local user can perform a denial of service (DoS) attack.


Affected software

Linux kernel
openEuler
python3-perf-debuginfo
kernel
bpftool
bpftool-debuginfo
kernel-debuginfo
kernel-debugsource
kernel-devel
kernel-headers
kernel-source
kernel-tools
kernel-tools-debuginfo
kernel-tools-devel
perf
perf-debuginfo
python3-perf
kernel-extra-modules

How to mitigate CVE-2025-21907

Install update from vendor's website.

Linux kernel - addressed in versions 6.12.19, 6.13.7, 6.14
python3-perf-debuginfo - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
bpftool - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
bpftool-debuginfo - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-debuginfo - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-debugsource - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-devel - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-headers - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-source - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-tools - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-tools-debuginfo - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-tools-devel - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
perf - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
perf-debuginfo - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
python3-perf - addressed in versions 6.6.0-107.0.0.99, 6.6.0-107.0.0.110, 6.6.0-107.0.0.113
kernel-extra-modules - update to 6.6.0-107.0.0.113

External References

Related Security Bulletins