CVE-2026-64558
s390/pkey: Check length in pkey_pckmo handler implementation
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_pckmo handler implementation Explicitly check the length of the target buffer in the pkey_pckmo implementation of the key_to_protkey() handler function. The handler function fails, if the generated output data exceeds the length of the provided target buffer.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 29, 2026 |
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Affected Versions
Linux / Linux
8fcc231ce3bea12b78bb94b280cdc03cff342435 < 02028a24e26d85262ab9c8fc4344e1f3503007fc 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 433e5e70cdc1edf382d28d08a885b22e2b98b7da 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 614aa0491c7a190556c2345dddee0b6f5ed90989 8fcc231ce3bea12b78bb94b280cdc03cff342435 < 1ac287e2af9a9112fe271427ef45eceb26bce8b4
Linux / Linux
6.12
References
git.kernel.org: https://git.kernel.org/stable/c/02028a24e26d85262ab9c8fc4344e1f3503007fc git.kernel.org: https://git.kernel.org/stable/c/433e5e70cdc1edf382d28d08a885b22e2b98b7da git.kernel.org: https://git.kernel.org/stable/c/614aa0491c7a190556c2345dddee0b6f5ed90989 git.kernel.org: https://git.kernel.org/stable/c/1ac287e2af9a9112fe271427ef45eceb26bce8b4