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

What is CVE-2024-43815?

CVE-2024-43815 is a high-severity vulnerability in Linux kernel, published on 17 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-908

Which versions are affected by CVE-2024-43815?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-43815?

Apply the vendor's patch.

Is CVE-2024-43815 being exploited?

There is no known exploitation of CVE-2024-43815 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-43815, GHSA-9f85-r865-9x32, UBUNTU-CVE-2024-43815.