CVE-2026-80548: Linux 5.2

CVE-2026-80548. CVSS 3.1 base score 8.8 (HIGH, Source advisory). EPSS 0.00176 (percentile 0.06631), scored 15-Oct-2026.

Affected technology

Linux · 4f76617378ee97c557b526cb58d3c61eb0a9c963 to before dab6a6627b0b0cce23653e99c7b0bf8c6cfd82e0, 4f76617378ee97c557b526cb58d3c61eb0a9c963 to before 56d7488533ceac4e986e96e15c9e487a2245bc01, 4f76617378ee97c557b526cb58d3c61eb0a9c963 to before f72a51810d49411bd8cad0c2df8592320a2fe5cc, 4f76617378ee97c557b526cb58d3c61eb0a9c963 to before 2ba9efdf9ebedc4e54df4b56aa3b43a65f7967cd, 4f76617378ee97c557b526cb58d3c61eb0a9c963 to before b6aecea4b2b246f9fbd98a5712daa1193a60818e, 4f76617378ee97c557b526cb58d3c61eb0a9c963 to before 2a5ac0c0f1f7da33929211a2e41911bf72ee35d8, 4f76617378ee97c557b526cb58d3c61eb0a9c963 to before 34f4feff3e90bd09308fad0974e97113b23b812a
Linux

Linux · 5.2
Linux

Component: Not specified by the source
File: drivers/s390/cio/vfio_ccw_chp.c, drivers/s390/cio/vfio_ccw_cp.c, drivers/s390/cio/vfio_ccw_drv.c, drivers/s390/cio/vfio_ccw_fsm.c, drivers/s390/cio/vfio_ccw_private.h

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 8.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 16-Oct-2026 20:21 UTC

CCR priority: 35.2 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Source advisory
EPSS: 0.00176 · percentile 0.06631 · 2026-10-15
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-16 20:20:42.059737+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-80548.html