CVE-2026-31752

linux: In the Linux kernel, the following vulnerability has been resolved: bridge: br_nd_send: validate ND option lengths...

CVE-2026-31752 is fixed in 109 products on 1 platform, first by ALAS2023-2026-1695, released May 8, 2026. 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
0.0013
2nd percentile

In the Linux kernel, the following vulnerability has been resolved: bridge: br_nd_send: validate ND option lengths br_nd_send() walks ND options according to option-provided lengths. A malformed option can make the parser advance beyond the computed option span or use a too-short source LLADDR option payload. Validate option lengths against the remaining NS option area before advancing, and only read source LLADDR when the option is large enough for an Ethernet address.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
bpftool-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
bpftool6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
bpftool6.18 · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-64kb · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-azure · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-default · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-default · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.36.1.160000.2.17 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.63.1.150700.17.37.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-default-base · sles 16.0 6.12.0-160000.36.1.160000.2.17 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-devel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-docs · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-headers · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-libbpf · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-libbpf-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-libbpf-devel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-libbpf-static · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-livepatch-6.1.168-202.320 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-livepatch-6.12.83-113.160 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel-livepatch-6.18.25-52.107 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel-livepatch-SLE15-SP7-RT_Update_17 · sles 15.7 1-150700.1.3.1 SUSE-SU-2026:2799-1 Jul 8, 2026
kernel-livepatch-SLE15-SP7_Update_17 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-modules-extra · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-source · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-source · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-syms · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel-tools · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-tools-devel · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
kernel-uek · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-doc · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-doc · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-tools · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-tools · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.36.1 OPENSUSE-SU-2026:21388-1 Jul 21, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.63.1 SUSE-SU-2026:2722-1 Jul 1, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.36.1 SUSE-SU-2026:22835-1 Jul 21, 2026
kernel6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-devel · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-headers · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-tools · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.18 · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-devel · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-headers · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-tools · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
linux · Debian 12.15 (bookworm) 6.1.170-1 DEBIAN-CVE-2026-31752 May 15, 2026
linux · Debian 13.5 (trixie) 6.12.85-1 DEBIAN-CVE-2026-31752 May 15, 2026
linux · Debian 14 6.19.12-1 DEBIAN-CVE-2026-31752 May 15, 2026
perf · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
perf-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
perf6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
perf6.18 · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
python3-perf · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.168-202.320.amzn2023 ALAS2023-2026-1681 May 11, 2026
python3-perf6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
python3-perf6.18 · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.25-52.107.amzn2023 ALAS2023-2026-1746 May 25, 2026

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