CVE-2026-31496
netfilter: nf_conntrack_expect: skip expectations in other netns via proc
CVE-2026-31496 is fixed in 108 products on 1 platform, first by ALAS2023-2026-1681, released May 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
5.5
Moderate
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: netfilter: nf_conntrack_expect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea ("netfilter: conntrack: do not dump other netns's conntrack entries via proc").
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| 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 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 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 |
| kernel · amzn 2023 | 1:6.1.168-202.320.amzn2023 | ALAS2023-2026-1681 | May 11, 2026 |
| kernel-64kb · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-azure · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 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 · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-default-base · sles 15.7 | 6.4.0-150700.53.55.1.150700.17.33.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-devel · amzn 2023 | 1:6.1.168-202.320.amzn2023 | ALAS2023-2026-1681 | May 11, 2026 |
| kernel-docs · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-headers · amzn 2023 | 1:6.1.168-202.320.amzn2023 | ALAS2023-2026-1681 | May 11, 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-6.12.80-105.147 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1646 | May 11, 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_Update_15 · sles 15.7 | 1-150700.15.3.1 | SUSE-SU-2026:2238-1 | Jun 30, 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 · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-source · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel-syms · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 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 · sles 15.7 | 6.4.0-150700.53.55.1 | SUSE-SU-2026:2238-1 | Jun 30, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-libbpf · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-libbpf-debuginfo · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-libbpf-devel · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-libbpf-static · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 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-2026-31496 | May 15, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.85-1 | DEBIAN-CVE-2026-31496 | May 15, 2026 |
| linux · Debian 14 | 6.19.11-1 | DEBIAN-CVE-2026-31496 | 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 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 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 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.80-105.147.amzn2023 | ALAS2023-2026-1646 | May 11, 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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