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CVE-2026-53049: linux kernel from 5.7 (inclusive), before 5.15.209 (exclusive), from 5.16 (inclusive), before 6.1.175 (exclusive)…

CVE-2026-53049. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00388 (percentile 0.31245), scored 15-Oct-2026.

Affected technology

linux kernel · from 5.7 (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 6.6.141 (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 · 5e4c7632aae1cce137792647f4fb6f599d1da893 to before 3b28eb75afe520972bacc833850c2b30aa0824cd, 5e4c7632aae1cce137792647f4fb6f599d1da893 to before ca95342cb1b39062a03c115830286f0a426053d5, 5e4c7632aae1cce137792647f4fb6f599d1da893 to before bf5fcd9c37c2546beaf7b401d31aefd89017dc3d, 5e4c7632aae1cce137792647f4fb6f599d1da893 to before f2f225cf505ac016132ded21690f3ba0a080a4e8, 5e4c7632aae1cce137792647f4fb6f599d1da893 to before 49d9be0722da3a4a893ba905720cba1921834ec3, 5e4c7632aae1cce137792647f4fb6f599d1da893 to before 98e8bf249c790d56de1abc4a5f8bd68035a00921, 5e4c7632aae1cce137792647f4fb6f599d1da893 to before fe2c8d051150b90b3ccb85f89e3b1d636cb88ec8
Linux

Linux · 5.7
Linux

Component: Not specified by the source
Function: gfs2_logd
File: fs/gfs2/log.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 9.8/10) 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-667
CCR priority
39.3 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS
0.00388 · percentile 0.31245 · 2026-10-15
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-53049.html