CVE-2026-23278
netfilter: nf_tables: always walk all pending catchall elements
CVE-2026-23278 is fixed in 106 products on 1 platform, first by DEBIAN-CVE-2026-23278, released March 20, 2026. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0023
13th percentile
This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.50 fixes various security issues The following security issues were fixed: - CVE-2026-23278: netfilter: nf_tables: always walk all pending catchall elements (bsc#1260907). - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (bsc#1261640). - CVE-2026-31504: net: fix fanout UAF in packet_release() via NETDEV_UP race (bsc#1263088). - CVE-2026-31694: fuse: reject oversized dirents in page cache (bsc#1263902). - CVE-2026-43503: final dirty.frag related fixes (bsc#1266229). - CVE-2026-46323: net: gro: don't merge zcopy skbs (bsc#1268282). - net/sched: fix pedit partial COW leading to page cache (bsc#1267625).
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool6.12 · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| bpftool6.18 · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| dtb-aarch64 · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-64kb · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-azure · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-default · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-default-base · opensuse-leap 16.0 | 6.12.0-160000.27.1.160000.2.8 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-docs · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-kvmsmall · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-livepatch-6.12.79-101.147 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel-livepatch-6.18.20-20.229 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel-livepatch-SLE15-SP6_Update_11 · sles 15.6 | 19-150600.2.1 | SUSE-SU-2026:2610-1 | Jun 24, 2026 |
| kernel-livepatch-SLE15-SP6_Update_12 · sles 15.6 | 19-150600.2.1 | SUSE-SU-2026:2532-1 | Jun 23, 2026 |
| kernel-livepatch-SLE15-SP6_Update_18 · sles 15.6 | 8-150600.2.1 | SUSE-SU-2026:2588-1 | Jun 23, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_1 · sles 15.7 | 18-150700.2.1 | SUSE-SU-2026:2532-1 | Jun 23, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_11 · sles 15.7 | 1-150700.1.3.1 | SUSE-SU-2026:1573-1 | Apr 23, 2026 |
| kernel-livepatch-SLE15-SP7-RT_Update_8 · sles 15.7 | 8-150700.2.1 | SUSE-SU-2026:2500-1 | Jun 22, 2026 |
| kernel-livepatch-SLE16_Update_0 · sles 16.0 | 14-160000.4.3 | SUSE-SU-2026:22383-1 | Jun 25, 2026 |
| kernel-livepatch-SLE16_Update_1 · sles 16.0 | 12-160000.1.1 | SUSE-SU-2026:22384-1 | Jun 25, 2026 |
| kernel-livepatch-SLE16_Update_2 · sles 16.0 | 10-160000.1.1 | SUSE-SU-2026:22385-1 | Jun 25, 2026 |
| kernel-livepatch-SLE16_Update_3 · sles 16.0 | 9-160000.1.1 | SUSE-SU-2026:22390-1 | Jun 25, 2026 |
| kernel-livepatch-SLE16_Update_4 · sles 16.0 | 8-160000.1.1 | SUSE-SU-2026:22386-1 | Jun 25, 2026 |
| kernel-livepatch-SLE16_Update_5 · sles 16.0 | 7-160000.1.1 | SUSE-SU-2026:22507-1 | Jun 29, 2026 |
| kernel-livepatch-SLE16_Update_6 · sles 16.0 | 6-160000.1.1 | SUSE-SU-2026:22387-1 | Jun 25, 2026 |
| kernel-obs-build · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-obs-qa · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-rt · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-source · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-syms · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel-uek · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-core · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-core · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-core · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-core · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-devel · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-devel · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-core · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-core · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-deprecated · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-deprecated · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-desktop · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-desktop · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-extra · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-extra · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-extra-netfilter · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-usb · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-usb · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-wireless · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-debug-modules-wireless · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-devel · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-devel · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-doc · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-doc · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-core · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-core · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-deprecated · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-deprecated · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-desktop · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-desktop · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-extra · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-extra · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-extra-netfilter · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-extra-netfilter · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-usb · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-usb · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-wireless · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-modules-wireless · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-tools · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek-tools · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-core · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-core · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-devel · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-devel · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-core · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-core · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-deprecated · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-deprecated · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-desktop · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-desktop · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-extra · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-extra · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-extra-netfilter · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-usb · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-usb · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-wireless · ol 10 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-uek64k-modules-wireless · ol 9 | 0:6.12.0-202.76.4.2.el9uek | ELSA-2026-50270 | May 13, 2026 |
| kernel-zfcpdump · opensuse-leap 16.0 | 6.12.0-160000.28.1 | OPENSUSE-SU-2026:20572-1 | Apr 20, 2026 |
| kernel6.12 · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-libbpf · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-libbpf-debuginfo · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-libbpf-devel · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-libbpf-static · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-libbpf · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-libbpf-debuginfo · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-libbpf-devel · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-libbpf-static · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| linux · Debian 12.15 (bookworm) | 6.1.177-1 | DEBIAN-CVE-2026-23278 | Mar 20, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.85-1 | DEBIAN-CVE-2026-23278 | Mar 20, 2026 |
| linux · Debian 14 | 6.19.10-1 | DEBIAN-CVE-2026-23278 | Mar 20, 2026 |
| perf6.12 · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.79-101.147.amzn2023 | ALAS2023-2026-1594 | Apr 27, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.20-20.229.amzn2023 | ALAS2023-2026-1596 | Apr 27, 2026 |
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