CVE-2026-72223

linux: In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: Free arena sub-allocations on discov...

CVE-2026-72223 is fixed in 93 products on 1 platform, first by DEBIAN-CVE-2026-72223, released August 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
IMPORTANT
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: nvdimm/btt: Free arena sub-allocations on discover_arenas() error path Memory allocated by btt_freelist_init(), btt_rtt_init(), and btt_maplocks_init() is not freed on some discover_arenas() error paths. This leaks memory when arena discovery fails. Add the missing kfree() calls to release the allocations before returning an error. [ as: commit message and log edits ]

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
bpftool · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
bpftool · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
bpftool-debuginfo · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 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
kernel · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-debuginfo · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-devel · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-headers · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-livepatch-6.1.180-225.360 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-2058 Aug 17, 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-modules-extra · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-tools · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-tools-devel · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
kernel-uek · ol 10 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek · ol 9 0:6.12.0-206.104.3.3.el9uek ELSA-2026-500248 Sep 4, 2026
kernel-uek-container · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container-debug · ol 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-container-debug · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-debug-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-doc · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-core · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-devel · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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 8 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 Sep 4, 2026
kernel-uek64k-modules-extra · ol 9 0:5.15.0-324.217.5.2.el9uek ELSA-2026-500249 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
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) 6.1.180-1 DEBIAN-CVE-2026-72223 Aug 15, 2026
linux · Debian 13.5 (trixie) 6.12.100-1 DEBIAN-CVE-2026-72223 Aug 15, 2026
linux · Debian 14 7.1.5-1 DEBIAN-CVE-2026-72223 Aug 15, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.41-94.142.amzn2023 ALAS2023-2026-2071 Aug 31, 2026
perf · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
perf-debuginfo · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 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 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.180-225.360.amzn2023 ALAS2023-2026-2058 Aug 17, 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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