CVE-2026-31649

net: stmmac: fix integer underflow in chain mode

CVE-2026-31649 is fixed in 47 products on 1 platform, first by DEBIAN-CVE-2026-31649, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
9.8
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0046
40th percentile

net: stmmac: fix integer underflow in chain mode (bsc#1263582).

Where it's fixed

ProductFixed inFixReleased
Linux
kernel-64kb · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-default · sles 15.6 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1 Jul 1, 2026
kernel-default · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-default-base · sles 15.6 6.4.0-150600.23.112.1.150600.12.52.1 SUSE-SU-2026:2195-1 Jul 1, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.55.1.150700.17.33.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-docs · sles 15.6 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1 Jul 1, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-livepatch-SLE15-SP6_Update_26 · sles 15.6 1-150600.13.3.1 SUSE-SU-2026:2195-1 Jul 1, 2026
kernel-livepatch-SLE15-SP7_Update_15 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-obs-build · sles 15.6 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1 Jul 1, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-source · sles 15.6 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1 Jul 1, 2026
kernel-source · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
kernel-syms · sles 15.6 6.4.0-150600.23.112.1 SUSE-SU-2026:2195-1 Jul 1, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 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 · sles 15.7 6.4.0-150700.53.55.1 SUSE-SU-2026:2238-1 Jun 30, 2026
linux · Debian 12.15 (bookworm) 6.1.170-1 DEBIAN-CVE-2026-31649 May 15, 2026
linux · Debian 13.5 (trixie) 6.12.85-1 DEBIAN-CVE-2026-31649 May 15, 2026
linux · Debian 14 6.19.13-1 DEBIAN-CVE-2026-31649 May 15, 2026

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