CVE-2026-31396

kernel-64kb: net: macb: fix use-after-free access to PTP clock (bsc#1261791).

CVE-2026-31396 is fixed in 51 products on 1 platform, first by DEBIAN-CVE-2026-31396, released April 3, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
IMPORTANT
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile

net: macb: fix use-after-free access to PTP clock (bsc#1261791).

Where it's fixed

ProductFixed inFixReleased
Linux
dtb-aarch64 · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-64kb · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-64kb · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-azure · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-azure · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-default · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-default · sles 15.7 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-default · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-default-base · opensuse-leap 16.0 6.12.0-160000.35.1.160000.2.16 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.60.1.150700.17.35.4 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-default-base · sles 16.0 6.12.0-160000.35.1.160000.2.16 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-docs · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-docs · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-kvmsmall · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-kvmsmall · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-livepatch-SLE15-SP7-RT_Update_16 · sles 15.7 1-150700.1.5.2 SUSE-SU-2026:2591-1 Jun 23, 2026
kernel-livepatch-SLE15-SP7_Update_16 · sles 15.7 1-150700.15.3.2 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-obs-build · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.60.2 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-obs-qa · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-obs-qa · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-rt · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-source · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-source · sles 15.7 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-source · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
kernel-syms · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-syms · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 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 · opensuse-leap 16.0 6.12.0-160000.35.1 OPENSUSE-SU-2026:20965-1 Jun 15, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.60.1 SUSE-SU-2026:2482-1 Jun 22, 2026
kernel-zfcpdump · sles 16.0 6.12.0-160000.35.1 SUSE-SU-2026:22127-1 Jun 15, 2026
linux · Debian 12.15 (bookworm) 6.1.170-1 DEBIAN-CVE-2026-31396 Apr 3, 2026
linux · Debian 13.5 (trixie) 6.12.85-1 DEBIAN-CVE-2026-31396 Apr 3, 2026
linux · Debian 14 6.19.10-1 DEBIAN-CVE-2026-31396 Apr 3, 2026

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