s390/vfio_ccw: Ensure index for read/write regions are within range
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.
CVE-2026-80552
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-80552
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
"lessThan": "3acbedf5c0b8e0971f0de423c05cc02bbf6ddb99",
"versionType": "git"
},
{
"status": "affected",
"version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
"lessThan": "d3b1e38404b22df5a1f93019f2bb656feaad5ae3",
"versionType": "git"
},
{
"status": "affected",
"version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
"lessThan": "79ea5e0c4c8a9842ae85f45062d947b3297dfc07",
"versionType": "git"
},
{
"status": "affected",
"version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
"lessThan": "d597fa1273802941c7801202135976fecc29672b",
"versionType": "git"
},
{
"status": "affected",
"version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
"lessThan": "649badf3a2fd8929e40198603a2cb21b74c21700",
"versionType": "git"
},
{
"status": "affected",
"version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
"lessThan": "988d9b5be3c2c4baf9457ce8e11b477e13eb9fcf",
"versionType": "git"
},
{
"status": "affected",
"version": "db8e5d17ac03a65e2e0ee0ba50bf61a99741d871",
"lessThan": "9f5f9a78fedc45bc29d6a0a64e3a3472361afae5",
"versionType": "git"
}
],
"programFiles": [
"drivers/s390/cio/vfio_ccw_async.c",
"drivers/s390/cio/vfio_ccw_chp.c",
"drivers/s390/cio/vfio_ccw_ops.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "5.2"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "5.2",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "5.15.218",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.184",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.6.153",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.105",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.46",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.10",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/s390/cio/vfio_ccw_async.c",
"drivers/s390/cio/vfio_ccw_chp.c",
"drivers/s390/cio/vfio_ccw_ops.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-80552
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #34321 · Revision 1
- Added to Heist Feed
- Publisher date