CVE-2024-57909 iio: light: bh1745: fix information leak in triggered buffer

What is CVE-2024-57909?

CVE-2024-57909 is a high-severity vulnerability in Linux kernel, published on 19 Jan 2025. 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:

iio: light: bh1745: fix information leak in triggered buffer

The 'scan' local struct is used to push data to user space from a triggered buffer, but it does not set values for inactive channels, as it only uses iio_for_each_active_channel() to assign new values.

Initialize the struct to zero before using it to avoid pushing uninitialized information to userspace.

Weakness: CWE-908

Which versions are affected by CVE-2024-57909?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-57909?

Apply the vendor's patch.

Is CVE-2024-57909 being exploited?

There is no known exploitation of CVE-2024-57909 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-2024-57909, DEBIAN-CVE-2024-57909, GHSA-52cr-8q5h-6fpf, UBUNTU-CVE-2024-57909.