CVE-2026-80552
s390/vfio_ccw: Ensure index for read/write regions are within range
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 26, 2026 |
| Last Updated | Aug 27, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 < 3acbedf5c0b8e0971f0de423c05cc02bbf6ddb99 db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 < d3b1e38404b22df5a1f93019f2bb656feaad5ae3 db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 < 79ea5e0c4c8a9842ae85f45062d947b3297dfc07 db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 < d597fa1273802941c7801202135976fecc29672b db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 < 649badf3a2fd8929e40198603a2cb21b74c21700 db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 < 988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 < 9f5f9a78fedc45bc29d6a0a64e3a3472361afae5
Linux / Linux
5.2
References
git.kernel.org: https://git.kernel.org/stable/c/3acbedf5c0b8e0971f0de423c05cc02bbf6ddb99 git.kernel.org: https://git.kernel.org/stable/c/d3b1e38404b22df5a1f93019f2bb656feaad5ae3 git.kernel.org: https://git.kernel.org/stable/c/79ea5e0c4c8a9842ae85f45062d947b3297dfc07 git.kernel.org: https://git.kernel.org/stable/c/d597fa1273802941c7801202135976fecc29672b git.kernel.org: https://git.kernel.org/stable/c/649badf3a2fd8929e40198603a2cb21b74c21700 git.kernel.org: https://git.kernel.org/stable/c/988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf git.kernel.org: https://git.kernel.org/stable/c/9f5f9a78fedc45bc29d6a0a64e3a3472361afae5