High
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl
In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in PKEY_VERIFYPROTK ioctl Explicitly check the buffer length request structure provided by user-space and fail, if it exceeds the buffer size.
Announced Source revision 1
Original source ↗CVE-2026-64559
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-2026-64559
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": "8fcc231ce3bea12b78bb94b280cdc03cff342435",
"lessThan": "0a9e34ccbe772b8f321388cdbdf4f22b94e513e7",
"versionType": "git"
},
{
"status": "affected",
"version": "8fcc231ce3bea12b78bb94b280cdc03cff342435",
"lessThan": "693bf91d4db134f9b1c2840c8e287eee3d993bac",
"versionType": "git"
},
{
"status": "affected",
"version": "8fcc231ce3bea12b78bb94b280cdc03cff342435",
"lessThan": "7e7e03848c918aa0acad5ffd75d929e3afec1554",
"versionType": "git"
},
{
"status": "affected",
"version": "8fcc231ce3bea12b78bb94b280cdc03cff342435",
"lessThan": "b3d4ab2d7df9426f7f1d3671d7e2108f2ca6e970",
"versionType": "git"
}
],
"programFiles": [
"drivers/s390/crypto/pkey_api.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.12"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.12",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.12.97",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.40",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.1.5",
"versionType": "semver",
"lessThanOrEqual": "7.1.*"
},
{
"status": "unaffected",
"version": "7.2",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/s390/crypto/pkey_api.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-64559
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #41087 · Revision 1
- Added to Heist Feed
- Publisher date