CVE-2025-68191

linux: In the Linux kernel, the following vulnerability has been resolved: udp_tunnel: use netdev_warn() instead of netdev_...

CVE-2025-68191 is fixed in 82 products on 1 platform, first by DEBIAN-CVE-2025-68191, released December 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
3.3
IMPORTANT
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0021
10th percentile

In the Linux kernel, the following vulnerability has been resolved: udp_tunnel: use netdev_warn() instead of netdev_WARN() netdev_WARN() uses WARN/WARN_ON to print a backtrace along with file and line information. In this case, udp_tunnel_nic_register() returning an error is just a failed operation, not a kernel bug. udp_tunnel_nic_register() can fail due to a memory allocation failure (kzalloc() or udp_tunnel_nic_alloc()). This is a normal runtime error and not a kernel bug. Replace netdev_WARN() with netdev_warn() accordingly.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
bpftool · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
bpftool · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
bpftool-debuginfo · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
bpftool6.12 · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-debuginfo · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-devel · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-headers · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-libbpf · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-libbpf-debuginfo · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-libbpf-devel · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-libbpf-static · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-livepatch-6.1.159-181.297 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-livepatch-6.12.58-82.121 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel-modules-extra · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-tools · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-tools-devel · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
kernel-uek · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-container · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-container · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-container-debug · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-container-debug · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-core · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-core · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-core · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-core · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-devel · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-devel · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules-extra · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-devel · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-devel · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-doc · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-doc · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-doc · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-doc · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules-extra · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-tools · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek-tools · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-core · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-core · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-devel · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-devel · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra · ol 8 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules-extra · ol 9 0:5.15.0-317.197.5.1.el9uek ELSA-2026-50113 Feb 15, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-107.59.3.2.el9uek ELSA-2026-50006 Jan 13, 2026
kernel6.12 · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-devel · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-headers · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-libbpf · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-libbpf-debuginfo · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-libbpf-devel · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-libbpf-static · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-tools · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
linux · Debian 12.15 (bookworm) 6.1.159-1 DEBIAN-CVE-2025-68191 Dec 16, 2025
linux · Debian 13.5 (trixie) 6.12.63-1 DEBIAN-CVE-2025-68191 Dec 16, 2025
linux · Debian 14 6.17.8-1 DEBIAN-CVE-2025-68191 Dec 16, 2025
perf · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
perf-debuginfo · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
perf6.12 · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
python3-perf · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.159-181.297.amzn2023 ALAS2023-2025-1350 Jan 7, 2026
python3-perf6.12 · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.58-82.121.amzn2023 ALAS2023-2026-1495 Mar 16, 2026

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