CVE-2026-64559
s390/pkey: Check length in PKEY_VERIFYPROTK ioctl
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 29, 2026 |
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Affected Versions
Linux / Linux
8fcc231ce3bea12b78bb94b280cdc03cff342435 < 0a9e34ccbe772b8f321388cdbdf4f22b94e513e7 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 693bf91d4db134f9b1c2840c8e287eee3d993bac 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 7e7e03848c918aa0acad5ffd75d929e3afec1554 8fcc231ce3bea12b78bb94b280cdc03cff342435 < b3d4ab2d7df9426f7f1d3671d7e2108f2ca6e970
Linux / Linux
6.12
References
git.kernel.org: https://git.kernel.org/stable/c/0a9e34ccbe772b8f321388cdbdf4f22b94e513e7 git.kernel.org: https://git.kernel.org/stable/c/693bf91d4db134f9b1c2840c8e287eee3d993bac git.kernel.org: https://git.kernel.org/stable/c/7e7e03848c918aa0acad5ffd75d929e3afec1554 git.kernel.org: https://git.kernel.org/stable/c/b3d4ab2d7df9426f7f1d3671d7e2108f2ca6e970