CVE-2026-64558
Last modified
CVE-2026-64558 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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..
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 8fcc231ce3bea12b78bb94b280cdc03cff342435, < 02028a24e26d85262ab9c8fc4344e1f3503007fc; >= 8fcc231ce3bea12b78bb94b280cdc03cff342435, < 433e5e70cdc1edf382d28d08a885b22e2b98b7da; >= 8fcc231ce3bea12b78bb94b280cdc03cff342435, < 614aa0491c7a190556c2345dddee0b6f5ed90989; >= 8fcc231ce3bea12b78bb94b280cdc03cff342435, < 1ac287e2af9a9112fe271427ef45eceb26bce8b4 |
| Linux | Linux | 6.12 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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