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CVE-2026-45942: linux kernel from 2.6.25 (inclusive), before 6.6.130 (exclusive), from 6.7 (inclusive), before 6.12.75 (exclusive)…
CVE-2026-45942. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.001 (percentile 0.00795), scored 15-Oct-2026.
Affected technology
linux kernel · from 2.6.25 (inclusive), before 6.6.130 (exclusive)
linux
linux kernel · from 6.7 (inclusive), before 6.12.75 (exclusive)
linux
linux kernel · from 6.13 (inclusive), before 6.18.14 (exclusive)
linux
linux kernel · from 6.19 (inclusive), before 6.19.4 (exclusive)
linux
Linux · c9de560ded61faa5b754137b7753da252391c55a to before 57e83bfbe1e412ac42daced2086f3c6f9a17bba0, c9de560ded61faa5b754137b7753da252391c55a to before c05033cfc5c7699cd4df8d48cef94d01da755f24, c9de560ded61faa5b754137b7753da252391c55a to before 29a07d691d282faf38c33d4b61839b89399110f9, c9de560ded61faa5b754137b7753da252391c55a to before f29709a7a3fc38f5015d850504762cdef0e151f9, c9de560ded61faa5b754137b7753da252391c55a to before bdc56a9c46b2a99c12313122b9352b619a2e719e
Linux
Linux · 2.6.25
Linux
Component: Not specified by the source
File: fs/ext4/mballoc.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.
- CWE
- CWE-362
- 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
- 0.001 · percentile 0.00795 · 2026-10-15
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-16 16:55:38.548135+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-45942.html