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CVE-2026-64559

s390/pkey: Check length in PKEY_VERIFYPROTK ioctl PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 8fcc231ce3bea12b78bb94b280cdc03cff342435 before 0a9e34ccbe772b8f321388cdbdf4f22b94e513e7; affected 8fcc231ce3bea12b78bb94b280cdc03cff342435 before 693bf91d4db134f9b1c2840c8e287eee3d993bac; affected 8fcc231ce3bea12b78bb94b280cdc03cff342435 before 7e7e03848c918aa0acad5ffd75d929e3afec1554; affected 8fcc231ce3bea12b78bb94b280cdc03cff342435 before b3d4ab2d7df9426f7f1d3671d7e2108f2ca6e970
Linux / Linuxaffected 6.12; unaffected 0 before 6.12; unaffected 6.12.97 through 6.12.*; unaffected 6.18.40 through 6.18.*; unaffected 7.1.5 through 7.1.*; unaffected 7.2 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.