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CVE-2026-46300: linux kernel from 3.9 (inclusive), through 5.10.257 (inclusive), from 5.11 (inclusive), before 5.15.208 (exclusive)…

CVE-2026-46300. CVSS 3.1 base score 7.8 (HIGH, NVD). EPSS 0.02425 (percentile 0.83904), scored 15-Oct-2026.

Affected technology

linux kernel · from 3.9 (inclusive), through 5.10.257 (inclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.208 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.174 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.141 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.91 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.33 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.10 (exclusive)
linux

linux kernel · 7.1 · update rc1
linux

linux kernel · 7.1 · update rc2
linux

linux kernel · 7.1 · update rc3
linux

linux kernel · 7.1 · update rc4
linux

Linux · cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before 3599e6b3cc1ada96883d496a50a210d3afbb6987, cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before 2f2b16022a2e10ca7bccfb98db5ed2ec0f72641c, cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before 9d3e5fd19fe1063bf607219e8562fbd567b8e8d5, cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before 78bf6b6bb19541d19fbda6242e7cfe2c682763c0, cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before 760e1addc27ba1a7beb4a0a7e8b3e9ec49e7a34e, cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before 3bd9e113d50034db99d7ef69fd8e5242d15e414a, cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before 3884358a9286b17f389a72b1426fc4547c23c111, cef401de7be8c4e155c6746bfccf721a4fa5fab9 to before f84eca5817390257cef78013d0112481c503b4a3
Linux

Linux · 3.9
Linux

NVIDIA for RHEL 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 10 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 10.0 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Telecommunications Update Service · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.4 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 9.6 Extended Update Support · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.12 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.13 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.14 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.15 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.16 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.17 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.18 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.19 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.20 · Exact affected versions not specified by the source
Red Hat

Red Hat OpenShift Container Platform 4.21 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 6 · Exact affected versions not specified by the source
Red Hat

Red Hat Enterprise Linux 7 · Exact affected versions not specified by the source
Red Hat

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before V3.1.7
Siemens

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.6 to before V3.1.7
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.5 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before V3.1.7
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.5 to before *
Siemens

Component: Not specified by the source
File: net/core/skbuff.c

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-123, CWE-787
CCR priority
31.8 /100 (P4)
CVSS 3.1
7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS
0.02425 · percentile 0.83904 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-46300.html