Riskcovery

CVE-2026-80552

s390/vfio_ccw: Ensure index for read/write regions are within range

State
Published
Severity
8.8 High
Published
Aug 26, 2026
Updated
Oct 16, 2026
Reserved
Aug 26, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.18.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 to before 3acbedf5c0b8e0971f0de423c05cc02bbf6ddb99Affected
  • db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 to before d3b1e38404b22df5a1f93019f2bb656feaad5ae3Affected
  • db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 to before 79ea5e0c4c8a9842ae85f45062d947b3297dfc07Affected
  • db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 to before d597fa1273802941c7801202135976fecc29672bAffected
  • db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 to before 649badf3a2fd8929e40198603a2cb21b74c21700Affected
  • db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 to before 988d9b5be3c2c4baf9457ce8e11b477e13eb9fcfAffected
  • db8e5d17ac03a65e2e0ee0ba50bf61a99741d871 to before 9f5f9a78fedc45bc29d6a0a64e3a3472361afae5Affected
LinuxLinux
  • 5.2Affected
  • before 5.2Not affected
  • 5.15.218 through 5.15.*Not affected
  • 6.1.184 through 6.1.*Not affected
  • 6.6.153 through 6.6.*Not affected
  • 6.12.105 through 6.12.*Not affected
  • 6.18.46 through 6.18.*Not affected
  • 7.1.10 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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