CVE-2026-80547: Linux 5.8

CVE-2026-80547. CVSS 3.1 base score 8.8 (HIGH, Source advisory). EPSS 0.00176 (percentile 0.06631), scored 15-Oct-2026.

Affected technology

Linux · 3f02cb2fd9d2d9e8762102886e3e4b51285797ee to before 3c94d4179bcc19e01b28db634c07a58b28116209, 3f02cb2fd9d2d9e8762102886e3e4b51285797ee to before 0edd222730a9d7ec98368aaf1d40ee2d8d862e61, 3f02cb2fd9d2d9e8762102886e3e4b51285797ee to before a3d60ae24183eee352c8e87a0ff94c97cd87f156, 3f02cb2fd9d2d9e8762102886e3e4b51285797ee to before 49fa26b0df009dc1f420980bd71780e70615b83b, 3f02cb2fd9d2d9e8762102886e3e4b51285797ee to before 7902be374cbfc11c3435e1e87bf22195bf06a558, 3f02cb2fd9d2d9e8762102886e3e4b51285797ee to before c76c4ee72bfc3824f4f491f18ed0323bf2e2daf9, 3f02cb2fd9d2d9e8762102886e3e4b51285797ee to before 16b0798024c0e9117e395829ddbbe70981c79d9c
Linux

Linux · 5.8
Linux

Component: Not specified by the source
File: drivers/s390/cio/vfio_ccw_chp.c, drivers/s390/cio/vfio_ccw_drv.c, drivers/s390/cio/vfio_ccw_ops.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-2026-80547.html