CVE-2026-64558
HIGH
MEDIUM
Priority: 0.01
BB Relevance:
41/100
Published: 2026-07-29
Modified: 2026-11-13
First seen: 2026-11-03
Status: active
Attack Surface
Low Complexity
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
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.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| linux | linux_kernel | 6.12 – 6.12.97 |