CVE-2024-53106 ima: fix buffer overrun in ima_eventdigest_init_common

What is CVE-2024-53106?

CVE-2024-53106 is a high-severity memory corruption vulnerability in Linux kernel, published on 2 Dec 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:

ima: fix buffer overrun in ima_eventdigest_init_common

Function ima_eventdigest_init() calls ima_eventdigest_init_common() with HASH_ALGO__LAST which is then used to access the array hash_digest_size[] leading to buffer overrun. Have a conditional statement to handle this.

Weakness: CWE-787

Which versions are affected by CVE-2024-53106?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-53106?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-53106 being exploited?

There is no known exploitation of CVE-2024-53106 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-2024-53106, DEBIAN-CVE-2024-53106, GHSA-w9xm-h8j7-2chv, UBUNTU-CVE-2024-53106.