CVE-2025-40053

net: dlink: handle copy_thresh allocation failure

CVE-2025-40053 is fixed in 58 products on 1 platform, first by DEBIAN-CVE-2025-40053, released October 28, 2025. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0063
50th percentile

In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copy_thresh allocation failure The driver did not handle failure of `netdev_alloc_skb_ip_align()`. If the allocation failed, dereferencing `skb->protocol` could lead to a NULL pointer dereference. This patch tries to allocate `skb`. If the allocation fails, it falls back to the normal path. Tested-on: D-Link DGE-550T Rev-A3

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
bpftool · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
dtb-aarch64 · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-64kb · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-64kb · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-64kb · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-debug · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-default · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-default · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-default-base · opensuse-leap 15.6 6.4.0-150600.23.84.1.150600.12.38.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.8.1.160000.2.5 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-default-base · sles 15.6 6.4.0-150600.23.84.1.150600.12.38.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.28.1.150700.17.19.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-default-base · sles 16.0 6.12.0-160000.8.1.160000.2.5 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-docs · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-docs · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-docs · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-kvmsmall · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-kvmsmall · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-livepatch-SLE15-SP6_Update_19 · sles 15.6 1-150600.13.3.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-livepatch-SLE15-SP7-RT_Update_8 · sles 15.7 1-150700.1.3.1 SUSE-SU-2026:0278-1 Jan 23, 2026
kernel-livepatch-SLE15-SP7_Update_8 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-obs-build · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-obs-build · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-obs-qa · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-obs-qa · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-rt · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-source · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-source · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-source · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-source · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-source-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-syms · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-syms · sles 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-syms · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
kernel-syms-azure · sles 15.7 6.4.0-150700.20.24.1 SUSE-SU-2026:0281-1 Jan 23, 2026
kernel-uek · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-container · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-container · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-container-debug · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-container-debug · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-core · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-core · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-core · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-core · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-core · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-core · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-core · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-core · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-devel · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-devel · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-devel · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-devel · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-modules · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-modules · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-core · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-core · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-extra · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-modules-extra · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-devel · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-devel · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-devel · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-devel · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-doc · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-doc · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-doc · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-doc · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-modules · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-modules · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-core · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-core · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-deprecated · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-deprecated · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-desktop · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-desktop · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-extra · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-extra · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-modules-extra · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek-modules-extra · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-usb · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-usb · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-wireless · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-modules-wireless · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-tools · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek-tools · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-core · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-core · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-core · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-core · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-devel · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-devel · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-devel · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-devel · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-modules · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-modules · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-core · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-core · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-extra · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-extra · ol 8 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-modules-extra · ol 9 0:5.15.0-315.196.5.1.el9uek ELSA-2025-28048 Dec 12, 2025
kernel-uek64k-modules-extra · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-usb · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-usb · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-106.55.4.1.el9uek ELSA-2025-28040 Dec 10, 2025
kernel-zfcpdump · opensuse-leap 15.6 6.4.0-150600.23.84.1 SUSE-SU-2026:0293-1 Jan 26, 2026
kernel-zfcpdump · opensuse-leap 16.0 6.12.0-160000.8.1 OPENSUSE-SU-2025:20172-1 Dec 19, 2025
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.28.1 SUSE-SU-2026:0315-1 Jan 28, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.8.1 SUSE-SU-2026:20015-1 Dec 19, 2025
linux · Debian 12.15 (bookworm) 6.1.158-1 DEBIAN-CVE-2025-40053 Oct 28, 2025
linux · Debian 13.5 (trixie) 6.12.57-1 DEBIAN-CVE-2025-40053 Oct 28, 2025
linux · Debian 14 6.17.6-1 DEBIAN-CVE-2025-40053 Oct 28, 2025

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