CVE-2026-45847
linux: In the Linux kernel, the following vulnerability has been resolved: net: remove WARN_ON_ONCE when accessing forward...
CVE-2026-45847 is fixed in 102 products on 1 platform, first by ALAS2023-2026-1514, released March 30, 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
0.0016
5th percentile
In the Linux kernel, the following vulnerability has been resolved: net: remove WARN_ON_ONCE when accessing forward path array Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARN_ON_ONCE if userspace manages to build a sufficiently long forward path. Remove it.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| bpftool · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| bpftool-debuginfo · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| bpftool6.12 · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| bpftool6.12-debuginfo · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| bpftool6.18 · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| bpftool6.18-debuginfo · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-debuginfo · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-debuginfo-common-aarch64 · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-debuginfo-common-x86_64 · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-devel · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-headers · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-libbpf · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-libbpf-debuginfo · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-libbpf-devel · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-libbpf-static · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-livepatch-6.1.166-197.305 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-livepatch-6.12.77-99.140 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel-livepatch-6.18.15-14.217 · amzn 2023 | 1:1.0-0.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel-modules-extra · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-modules-extra-common · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-tools · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-tools-debuginfo · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| kernel-tools-devel · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 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 |
| kernel6.12 · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-debuginfo · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-debuginfo-common-aarch64 · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-debuginfo-common-x86_64 · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-devel · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-headers · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-libbpf · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-libbpf-debuginfo · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-libbpf-devel · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-libbpf-static · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-modules-extra · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-modules-extra-common · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-tools · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-tools-debuginfo · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.12-tools-devel · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| kernel6.18 · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-debuginfo · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-debuginfo-common-aarch64 · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-debuginfo-common-x86_64 · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-devel · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-headers · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-libbpf · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-libbpf-debuginfo · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-libbpf-devel · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-libbpf-static · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-modules-extra · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-modules-extra-common · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-tools · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-tools-debuginfo · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| kernel6.18-tools-devel · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| linux · Debian 12.15 (bookworm) | 6.1.170-1 | DEBIAN-CVE-2026-45847 | May 27, 2026 |
| linux · Debian 13.5 (trixie) | 6.12.85-1 | DEBIAN-CVE-2026-45847 | May 27, 2026 |
| linux · Debian 14 | 6.18.14-1 | DEBIAN-CVE-2026-45847 | May 27, 2026 |
| perf · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| perf-debuginfo · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| perf6.12 · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| perf6.12-debuginfo · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| perf6.18 · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| perf6.18-debuginfo · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| python3-perf · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| python3-perf-debuginfo · amzn 2023 | 1:6.1.166-197.305.amzn2023 | ALAS2023-2026-1544 | Apr 7, 2026 |
| python3-perf6.12 · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| python3-perf6.12-debuginfo · amzn 2023 | 1:6.12.77-99.140.amzn2023 | ALAS2023-2026-1543 | Apr 7, 2026 |
| python3-perf6.18 · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
| python3-perf6.18-debuginfo · amzn 2023 | 1:6.18.15-14.217.amzn2023 | ALAS2023-2026-1514 | Mar 30, 2026 |
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