CVE-2025-21667

iomap: avoid avoid truncating 64-bit offset to 32 bits

CVE-2025-21667 is fixed in 61 products on 1 platform, first by DEBIAN-CVE-2025-21667, released January 31, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0022
12th percentile

In the Linux kernel, the following vulnerability has been resolved: iomap: avoid avoid truncating 64-bit offset to 32 bits on 32-bit kernels, iomap_write_delalloc_scan() was inadvertently using a 32-bit position due to folio_next_index() returning an unsigned long. This could lead to an infinite loop when writing to an xfs filesystem.

Where it's fixed

ProductFixed inFixReleased
Linux
dtb-aarch64 · opensuse-leap 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-64kb · opensuse-leap 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-64kb · sles 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-azure · opensuse-leap 15.6 6.4.0-150600.8.31.1 SUSE-SU-2025:0847-1 Mar 12, 2025
kernel-azure · sles 15.6 6.4.0-150600.8.31.1 SUSE-SU-2025:0847-1 Mar 12, 2025
kernel-coco · sles 15.6 6.4.0-15061.15.coco15sp6.1 SUSE-SU-2025:0564-1 Feb 17, 2025
kernel-coco_debug · sles 15.6 6.4.0-15061.15.coco15sp6.1 SUSE-SU-2025:0564-1 Feb 17, 2025
kernel-debug · opensuse-leap 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-default · opensuse-leap 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-default · sles 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-default-base · opensuse-leap 15.6 6.4.0-150600.23.42.2.150600.12.18.4 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-default-base · sles 15.6 6.4.0-150600.23.42.2.150600.12.18.4 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-docs · opensuse-leap 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-docs · sles 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-kvmsmall · opensuse-leap 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-livepatch-SLE15-SP6-RT_Update_9 · sles 15.6 1-150600.1.3.2 SUSE-SU-2025:0955-1 Mar 19, 2025
kernel-livepatch-SLE15-SP6_Update_9 · sles 15.6 1-150600.13.3.4 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-obs-build · opensuse-leap 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-obs-build · sles 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-obs-qa · opensuse-leap 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-rt · opensuse-leap 15.6 6.4.0-150600.10.29.1 SUSE-SU-2025:0955-1 Mar 19, 2025
kernel-rt_debug · opensuse-leap 15.6 6.4.0-150600.10.29.1 SUSE-SU-2025:0955-1 Mar 19, 2025
kernel-source · opensuse-leap 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-source · sles 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-source-azure · opensuse-leap 15.6 6.4.0-150600.8.31.1 SUSE-SU-2025:0847-1 Mar 12, 2025
kernel-source-azure · sles 15.6 6.4.0-150600.8.31.1 SUSE-SU-2025:0847-1 Mar 12, 2025
kernel-source-coco · sles 15.6 6.4.0-15061.15.coco15sp6.1 SUSE-SU-2025:0564-1 Feb 17, 2025
kernel-source-rt · opensuse-leap 15.6 6.4.0-150600.10.29.1 SUSE-SU-2025:0955-1 Mar 19, 2025
kernel-syms · opensuse-leap 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-syms · sles 15.6 6.4.0-150600.23.42.1 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-syms-azure · opensuse-leap 15.6 6.4.0-150600.8.31.1 SUSE-SU-2025:0847-1 Mar 12, 2025
kernel-syms-azure · sles 15.6 6.4.0-150600.8.31.1 SUSE-SU-2025:0847-1 Mar 12, 2025
kernel-syms-coco · sles 15.6 6.4.0-15061.15.coco15sp6.1 SUSE-SU-2025:0564-1 Feb 17, 2025
kernel-syms-rt · opensuse-leap 15.6 6.4.0-150600.10.29.1 SUSE-SU-2025:0955-1 Mar 19, 2025
kernel-uek · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-devel · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-devel · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-devel · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-devel · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-doc · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-doc · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-deprecated · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-deprecated · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-desktop · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-desktop · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-usb · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-usb · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-wireless · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-modules-wireless · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-tools · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek-tools · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-devel · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-devel · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-core · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-core · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-usb · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-usb · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-101.33.4.3.el9uek ELSA-2025-20480 Jul 17, 2025
kernel-zfcpdump · opensuse-leap 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
kernel-zfcpdump · sles 15.6 6.4.0-150600.23.42.2 SUSE-SU-2025:0856-1 Mar 13, 2025
linux · Debian 12.15 (bookworm) 6.1.128-1 DEBIAN-CVE-2025-21667 Jan 31, 2025
linux · Debian 13.5 (trixie) 6.12.11-1 DEBIAN-CVE-2025-21667 Jan 31, 2025
linux · Debian 14 6.12.11-1 DEBIAN-CVE-2025-21667 Jan 31, 2025

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