CVEvulnerability
CVE-2026-64558
7.8 HIGH
Official page ↗
- Status
- Received
- Published
- 2026-07-29
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-122
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.
Related
Weakness · CWE (1)
- CWE-122 Heap-based Buffer Overflow weakness
References
- https://git.kernel.org/stable/c/02028a24e26d85262ab9c8fc4344e1f3503007fc git.kernel.org
- https://git.kernel.org/stable/c/1ac287e2af9a9112fe271427ef45eceb26bce8b4 git.kernel.org
- https://git.kernel.org/stable/c/433e5e70cdc1edf382d28d08a885b22e2b98b7da git.kernel.org
- https://git.kernel.org/stable/c/614aa0491c7a190556c2345dddee0b6f5ed90989 git.kernel.org