CYBER CODE RED

Get real-time updates on Telegram

P4Verified

CVE-2026-46303: linux kernel from 2.6.32.66 (inclusive), before 2.6.33 (exclusive), from 3.2.67 (inclusive), before 3.3 (exclusive)…

CVE-2026-46303. CVSS 3.1 base score 8.2 (HIGH, Source advisory). EPSS 0.00549 (percentile 0.44611), scored 14-Oct-2026.

Affected technology

linux kernel · from 2.6.32.66 (inclusive), before 2.6.33 (exclusive)
linux

linux kernel · from 3.2.67 (inclusive), before 3.3 (exclusive)
linux

linux kernel · from 3.4.107 (inclusive), before 3.5 (exclusive)
linux

linux kernel · from 3.10.64 (inclusive), before 3.11 (exclusive)
linux

linux kernel · from 3.12.36 (inclusive), before 3.13 (exclusive)
linux

linux kernel · from 3.14.28 (inclusive), before 3.15 (exclusive)
linux

linux kernel · from 3.17.8 (inclusive), before 3.18 (exclusive)
linux

linux kernel · from 3.18.2 (inclusive), before 5.10.258 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.209 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.175 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.140 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.88 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.30 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.7 (exclusive)
linux

linux kernel · 7.1 · update rc1
linux

Linux · f54e18f1b831c92f6512d2eedb224cd63d607d3d to before 8356fb821016797f5677cbeee5ddc0d32a95b4be, f54e18f1b831c92f6512d2eedb224cd63d607d3d to before d582e12378bc1637f337622feef762f53c43fd57, f54e18f1b831c92f6512d2eedb224cd63d607d3d to before bf1bc673c587f5ef7e9c09b94aea7c5a7847d4d9, f54e18f1b831c92f6512d2eedb224cd63d607d3d to before c9b37c8b73f6368e4750e5ccb0632c380b43c6e5, f54e18f1b831c92f6512d2eedb224cd63d607d3d to before 22b36fa081f38ab397c7697f9d539211b51a0cfc, f54e18f1b831c92f6512d2eedb224cd63d607d3d to before e69da8eeab74b4f4505024c38a17bce060fe7df8, f54e18f1b831c92f6512d2eedb224cd63d607d3d to before ef048470c90bc8c1b8318bb2ce329da9ef64b9fe, f54e18f1b831c92f6512d2eedb224cd63d607d3d to before a36d990f591320e9dd379ab30063ebfe91d47e1f, 08313e26e06d4aa9ce1cbba1a8e359e9cab9ad56, 212c4d33ca83e2144064fe9c2911607fbed5386f, 96e44adce250199ec9b2b928be66365779ff1b59, 1fe5620fcd6c2f0a4a927ee10c8e53196da392f3, fbce0d7dc8965c9fb8d411862040239d4a768c71, 8190393a88f2b0321263a54f2a9eb5a2aa43be7e, 486aa789eadcf44ed87f972b209299c516454693, b6d20edb6e7cedb4eedb9e0193d20dd488ebae84, 2.6.32.66 to before 2.6.33, 3.2.67 to before 3.3, 3.4.107 to before 3.5, 3.10.64 to before 3.11, 3.12.36 to before 3.13, 3.14.28 to before 3.15, 3.17.8 to before 3.18, 3.18.2 to before 3.19
Linux

Linux · 3.19
Linux

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

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

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

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

SIMATIC S7-1500 TM MFP - GNU/Linux subsystem · 0 to before *
Siemens

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

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

Component: Not specified by the source
Function: for
File: fs/isofs/rock.c

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 8.2/10) rates confidentiality impact as high; integrity impact as low; availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-401
CCR priority
32.9 /100 (P4)
CVSS 3.1
8.2 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N · Source advisory
EPSS
0.00549 · percentile 0.44611 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-46303.html