CVE-2026-93222

signal: avoid shared siginfo namespace rewrites

CVE-2026-93222 is fixed in 107 products on 1 platform, first by DEBIAN-CVE-2026-93222, released September 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.4
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0018
7th percentile

In the Linux kernel, the following vulnerability has been resolved: signal: avoid shared siginfo namespace rewrites send_signal_locked() rewrites sender ids for the target namespace. Group sends reuse the same siginfo, so one recipient can affect the next. Copy the siginfo before changing it.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
bpftool-debuginfo · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
bpftool6.12 · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
bpftool6.18 · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.40.1 OPENSUSE-SU-2026:22167-1 Nov 7, 2026
kernel · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 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 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 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 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 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 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 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-6.1.188-233.385 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
kernel-livepatch-6.12.110-135.201 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel-livepatch-6.18.51-120.162 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-3187 Nov 7, 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 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 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 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
kernel-tools-devel · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
kernel-uek · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-core · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-core · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-devel · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-devel · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-doc · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-doc · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-tools · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek-tools · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-core · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-core · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-207.111.5.1.el9uek ELSA-2026-500374 Oct 7, 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 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-devel · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-headers · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-tools · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
kernel6.18 · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-devel · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-headers · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-tools · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
linux · Debian 12.15 (bookworm) 6.1.190-1 DEBIAN-CVE-2026-93222 Sep 24, 2026
linux · Debian 13.5 (trixie) 6.12.111-1 DEBIAN-CVE-2026-93222 Sep 24, 2026
linux · Debian 14 7.2.6-1 DEBIAN-CVE-2026-93222 Sep 24, 2026
linux-6.12 · Debian 12.15 (bookworm) 6.12.111-1~deb12u1 DEBIAN-CVE-2026-93222 Sep 24, 2026
microvm-kernel6.18 · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
perf · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
perf-debuginfo · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
perf6.12 · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
perf6.18 · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
python3-perf · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.188-233.385.amzn2023 ALAS2023-2026-3197 Nov 7, 2026
python3-perf6.12 · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.110-135.201.amzn2023 ALAS2023-2026-3196 Nov 7, 2026
python3-perf6.18 · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.51-120.162.amzn2023 ALAS2023-2026-3187 Nov 7, 2026

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