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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 affected < d3b1e38404b22df5a1f93019f2bb656feaad5ae3
db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 affected < 79ea5e0c4c8a9842ae85f45062d947b3297dfc07
db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 affected < d597fa1273802941c7801202135976fecc29672b
db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 affected < 649badf3a2fd8929e40198603a2cb21b74c21700
db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 affected < 988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf
db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 affected < 9f5f9a78fedc45bc29d6a0a64e3a3472361afae5
Linux Linux affected
Version Status Constraints
5.2 affected —
0 unaffected < 5.2
6.1.184 unaffected ≤ 6.1.*
6.6.153 unaffected ≤ 6.6.*
6.12.105 unaffected ≤ 6.12.*
6.18.46 unaffected ≤ 6.18.*
7.1.10 unaffected ≤ 7.1.*
7.2 unaffected ≤ *

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/649badf3a2fd8929e40198603a2cb21b74c21700 cve-icon cve-icon
https://git.kernel.org/stable/c/79ea5e0c4c8a9842ae85f45062d947b3297dfc07 cve-icon cve-icon
https://git.kernel.org/stable/c/988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf cve-icon cve-icon
https://git.kernel.org/stable/c/9f5f9a78fedc45bc29d6a0a64e3a3472361afae5 cve-icon cve-icon
https://git.kernel.org/stable/c/d3b1e38404b22df5a1f93019f2bb656feaad5ae3 cve-icon cve-icon
https://git.kernel.org/stable/c/d597fa1273802941c7801202135976fecc29672b cve-icon cve-icon
History

Wed, 26 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20

Wed, 26 Aug 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Title s390/vfio_ccw: Ensure index for read/write regions are within range
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-26T14:37:21.178Z

Reserved: 2026-08-26T14:34:25.766Z

Link: CVE-2026-80552

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-26T15:17:09.723

Modified: 2026-08-26T15:17:09.723

Link: CVE-2026-80552

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T18:45:10Z

Weaknesses