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CVE-2026-52990: linux kernel from 5.10.220 (inclusive), before 5.11 (exclusive), from 5.15.154 (inclusive), before 5.16 (exclusive)…
CVE-2026-52990. CVSS 3.1 base score 5.5 (MEDIUM, NVD). EPSS 0.00127 (percentile 0.02163), scored 20-Oct-2026.
Affected technology
linux kernel · from 5.10.220 (inclusive), before 5.11 (exclusive)
linux
linux kernel · from 5.15.154 (inclusive), before 5.16 (exclusive)
linux
linux kernel · from 5.19 (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 · c3638b5b13740fa31762d414bbce8b7a694e582a to before 926ec3937b28d30c08427053c8d8af7f9e086d82, c3638b5b13740fa31762d414bbce8b7a694e582a to before 8c8afa6444e6bdc145d2bf2f3aeeca6da3e36b42, c3638b5b13740fa31762d414bbce8b7a694e582a to before b740cc86816bbc87902ae9db74cd21abde3c8d63, c3638b5b13740fa31762d414bbce8b7a694e582a to before 5c80289503da3658e3df80280598c68d181eadbd, c3638b5b13740fa31762d414bbce8b7a694e582a to before 4aca914ac152f5d055ddcb36704d1e539ac08977, ff34ebaa6f6dc1eebce6a8d6f12a1566f33d00fe, 4f145b67c075324b13d6ae7d5abb6e7a1dbac26d, 5.10.220 to before 5.11, 5.15.154 to before 5.16
Linux
Linux · 5.19
Linux
Component: Not specified by the source
File: fs/notify/mark.c
Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
NVD’s CVSS 3.1 assessment (base score 5.5/10) rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 22.0 /100 (P4)
- CVSS 3.1
- 5.5 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H · NVD
- EPSS
- 0.00127 · percentile 0.02163 · 2026-10-20
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-21 16:14:50.830645+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-21 16:09:05.633125+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-52990.html