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CVE-2025-40026: Linux 3.0

CVE-2025-40026. CVSS 3.1 base score 7.9 (HIGH, Source advisory). EPSS 0.0017 (percentile 0.05913), scored 14-Oct-2026.

Affected technology

Linux · 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before a908eca437789589dd4624da428614c1275064dc, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before 00338255bb1f422642fb2798ebe92e93b6e4209b, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before e0ce3ed1048a47986d15aef1a98ebda25560d257, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before ba35a5d775799ce5ad60230be97336f2fefd518e, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before 3d3abf3f7e8b1abb082070a343de82d7efc80523, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before e7177c7e32cb806f348387b7f4faafd4a5b32054, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before 3a062a5c55adc5507600b9ae6d911e247e2f1d6e, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before 7366830642505683bbe905a2ba5d18d6e4b512b8, 8a76d7f25f8f24fc5a328c8e15e4a7313cf141b9 to before e750f85391286a4c8100275516973324b621a269
Linux

Linux · 3.0
Linux

Component: Not specified by the source
File: arch/x86/kvm/emulate.c, arch/x86/kvm/kvm_emulate.h, arch/x86/kvm/x86.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 7.9/10) rates confidentiality and integrity impact as low; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CCR priority
31.6 /100 (P4)
CVSS 3.1
7.9 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:H · Source advisory
EPSS
0.0017 · percentile 0.05913 · 2026-10-14
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-40026.html