s390/pkey: Check length in PKEY_VERIFYPROTK ioctl (Linux Linux)

CVE-2026-64559
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.12 % · percentile 2 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Received

Description

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.

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 0a9e34ccbe772b8f321388cdbdf4f22b94e513e7 ; affected 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 693bf91d4db134f9b1c2840c8e287eee3d993bac ; affected 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 7e7e03848c918aa0acad5ffd75d929e3afec1554 ; affected 8fcc231ce3bea12b78bb94b280cdc03cff342435 < b3d4ab2d7df9426f7f1d3671d7e2108f2ca6e970
Linux · Linuxaffected 6.12 ; unaffected 0 < 6.12 ; unaffected 6.12.97 ≤ 6.12.* ; unaffected 6.18.40 ≤ 6.18.* ; unaffected 7.1.5 ≤ 7.1.* ; unaffected 7.2 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD