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Vulnerability record · CVE-2026-80552 · published 26 August 2026

CVE-2026-80552: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure index for read/writ…

In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but neglected to do so for the existing read/write regions which should also be enforced.

8.8 CVSS 3.1 High EPSS 0.18% · top 93.6% Received
8.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
7References
27 Aug 2026Last modified by NVD

Description

In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure index for read/write regions are within range The introduction of the capability chain rightly clamped the region indexes to the range of the capabilities itself, but neglected to do so for the existing read/write regions which should also be enforced.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References

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Source: NIST National Vulnerability Database (record CVE-2026-80552), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.