CVE-2026-72172

linux: In the Linux kernel, the following vulnerability has been resolved: mm/mm_init: fix uninitialized struct pages for Z...

CVE-2026-72172 is fixed in 106 products on 1 platform, first by DEBIAN-CVE-2026-72172, released August 15, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0017
6th percentile

In the Linux kernel, the following vulnerability has been resolved: mm/mm_init: fix uninitialized struct pages for ZONE_DEVICE If DAX memory is hotplugged into an unoccupied subsection of an early section, section_activate() reuses the unoptimized boot memmap. However, compound_nr_pages() still assumes that vmemmap optimization is in effect and initializes only the reduced number of struct pages. As a result, the remaining tail struct pages are left uninitialized, which can later lead to unexpected behavior or crashes. Fix this by treating early sections as unoptimized when calculating how many struct pages to initialize.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
bpftool-debuginfo · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
bpftool6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
bpftool6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.87.3 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-64kb · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.87.3 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-azure · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-debuginfo · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-default · sles 15.7 6.4.0-150700.53.87.3 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-default · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.40.1.160000.2.29 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.87.3.150700.17.49.2 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-default-base · sles 16.0 6.12.0-160000.40.1.160000.2.29 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-devel · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.87.3 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-docs · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-headers · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-livepatch-6.1.186-228.374 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-livepatch-6.12.100-125.179 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel-livepatch-6.18.41-94.142 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel-livepatch-SLE15-SP7-RT_Update_22 · sles 15.7 1-150700.1.3.1 SUSE-SU-2026:4940-1 Nov 7, 2026
kernel-livepatch-SLE15-SP7_Update_23 · sles 15.7 1-150700.15.3.2 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-modules-extra · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.87.2 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-source · sles 15.7 6.4.0-150700.53.87.3 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-source · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.87.1 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-syms · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel-tools · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-tools-devel · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
kernel-uek · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-doc · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-doc · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-tools · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-tools · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.87.3 SUSE-SU-2026:4935-1 Nov 7, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.40.1 SUSE-SU-2026:24446-1 Nov 7, 2026
kernel6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-devel · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-headers · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-tools · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
kernel6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-devel · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-headers · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-tools · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
linux · Debian 12.15 (bookworm) 6.1.187-1 DEBIAN-CVE-2026-72172 Aug 15, 2026
linux · Debian 13.5 (trixie) 6.12.100-1 DEBIAN-CVE-2026-72172 Aug 15, 2026
linux · Debian 14 7.1.5-1 DEBIAN-CVE-2026-72172 Aug 15, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
perf · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
perf-debuginfo · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
perf6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
perf6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
python3-perf · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.186-228.374.amzn2023 ALAS2023-2026-2143 Sep 14, 2026
python3-perf6.12 · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.100-125.179.amzn2023 ALAS2023-2026-2057 Aug 17, 2026
python3-perf6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026

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