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CVE-2026-52933: linux kernel 6.1; +4 more affected products

CVE-2026-52933. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00147 (percentile 0.03549), scored 14-Oct-2026.

Affected technology

linux kernel · from 5.15.82 (inclusive), before 5.16 (exclusive)
linux

linux kernel · from 6.0.11 (inclusive), before 6.1 (exclusive)
linux

linux kernel · from 6.1.1 (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 6.12.86 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.27 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.4 (exclusive)
linux

linux kernel · 6.1
linux

linux kernel · 6.1 · update rc7
linux

linux kernel · 6.1 · update rc8
linux

Linux · a26a35e9019fd70bf3cf647dcfdae87abc7bacea to before 81bf96b0abbfa4cd47ea32e12596aed3855fb2f3, a26a35e9019fd70bf3cf647dcfdae87abc7bacea to before cf522703d4f194991615763697ae25a3f9539763, a26a35e9019fd70bf3cf647dcfdae87abc7bacea to before fc47043f3d9af3efa407665b47f8378ec691ba18, a26a35e9019fd70bf3cf647dcfdae87abc7bacea to before ea0697129807d718037f618221037aa0660ee3c5, a26a35e9019fd70bf3cf647dcfdae87abc7bacea to before c6d191164dc81838d8dbf452a6000f68c558d1ae, a26a35e9019fd70bf3cf647dcfdae87abc7bacea to before 326941b22806cbf2df1fbfe902b7908b368cce42, 4b702b7d11ce1b9d26fc6d7c5a7ef4ac1d455048, bc4e6ee16778149811333a969a7a893d4cc110c5, 5.15.82 to before 5.16, 6.0.11 to before 6.1
Linux

Linux · 6.1
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

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
File: io_uring/poll.c

Attack conditions (Source advisory, 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. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-835
CCR priority
31.2 /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 · Source advisory
EPSS
0.00147 · percentile 0.03549 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-52933.html