CVE-2026-23169

linux: In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcp_pm_nl_flush_addrs_doit(...

CVE-2026-23169 is fixed in 95 products on 1 platform, first by DEBIAN-CVE-2026-23169, released February 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.6
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0014
3rd percentile

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race in mptcp_pm_nl_flush_addrs_doit() syzbot and Eulgyu Kim reported crashes in mptcp_pm_nl_get_local_id() and/or mptcp_pm_nl_is_backup() Root cause is list_splice_init() in mptcp_pm_nl_flush_addrs_doit() which is not RCU ready. list_splice_init_rcu() can not be called here while holding pernet->lock spinlock. Many thanks to Eulgyu Kim for providing a repro and testing our patches.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
bpftool-debuginfo · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
bpftool6.12 · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-64kb · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-azure · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-debuginfo · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-default · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-default · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.27.1.160000.2.8 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.34.1.150700.17.23.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-default-base · sles 16.0 6.12.0-160000.27.1.160000.2.8 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-devel · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-docs · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-headers · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-libbpf · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-libbpf-debuginfo · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-libbpf-devel · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-libbpf-static · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-livepatch-6.1.164-196.303 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-livepatch-6.12.73-95.123 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel-livepatch-SLE15-SP7-RT_Update_10 · sles 15.7 1-150700.1.3.1 SUSE-SU-2026:0962-1 Mar 23, 2026
kernel-livepatch-SLE15-SP7_Update_10 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-modules-extra · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-source · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-source · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-syms · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel-tools · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-tools-devel · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
kernel-uek · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-core · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-core · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-devel · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-devel · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-doc · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-doc · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-tools · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek-tools · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-core · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-core · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-200.74.27.el9uek ELSA-2026-50160 Mar 20, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.27.1 OPENSUSE-SU-2026:20416-1 Mar 25, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.34.1 SUSE-SU-2026:1081-1 Mar 26, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.27.1 SUSE-SU-2026:20931-1 Mar 25, 2026
kernel6.12 · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-devel · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-headers · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-libbpf · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-libbpf-debuginfo · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-libbpf-devel · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-libbpf-static · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-tools · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
linux · Debian 12.15 (bookworm) 6.1.164-1 DEBIAN-CVE-2026-23169 Feb 14, 2026
linux · Debian 13.5 (trixie) 6.12.73-1 DEBIAN-CVE-2026-23169 Feb 14, 2026
linux · Debian 14 6.18.9-1 DEBIAN-CVE-2026-23169 Feb 14, 2026
perf · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
perf-debuginfo · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
perf6.12 · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
python3-perf · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.164-196.303.amzn2023 ALAS2023-2026-1491 Mar 16, 2026
python3-perf6.12 · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.73-95.123.amzn2023 ALAS2023-2026-1487 Mar 16, 2026

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