CVE-2024-43815: crypto: mxs-dcp - Ensure payload is zero when using key slot

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-17 · updated 2026-06-17
Weakness: CWE-908

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: mxs-dcp - Ensure payload is zero when using key slot We could leak stack memory through the payload field when running AES with a key from one of the hardware's key slots. Fix this by ensuring the payload field is set to 0 in such cases. This does not affect the common use case when the key is supplied from main memory via the descriptor payload.

Affected products

Linux kernel: from 6.10 before 6.10.3 — fixed in 6.10.3

How to fix

Upgrade to a fixed version: Linux kernel 6.10.3. Check the vendor advisory for mitigations.

References

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