CVE-2024-50232: iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr()
First published: Sat Nov 09 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7124: fix division by zero in ad7124_set_channel_odr() In the ad7124_write_raw() function, parameter val can potentially be zero. This may lead to a division by zero when DIV_ROUND_CLOSEST() is called within ad7124_set_channel_odr(). The ad7124_write_raw() function is invoked through the sequence: iio_write_channel_raw() -> iio_write_channel_attribute() -> iio_channel_write(), with no checks in place to ensure val is non-zero.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=5.13<5.15.171 | |
| Linux Kernel | >=5.16<6.1.116 | |
| Linux Kernel | >=6.2<6.6.60 | |
| Linux Kernel | >=6.7<6.11.7 | |
| Linux Kernel | =6.12-rc1 | |
| Linux Kernel | =6.12-rc2 | |
| Linux Kernel | =6.12-rc3 | |
| Linux Kernel | =6.12-rc4 | |
| Linux Kernel | =6.12-rc5 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.15-1 | |
| debian/linux-6.1 | 6.1.119-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/4f588fffc307a4bc2761aee6ff275bb4b433e451
- https://git.kernel.org/stable/c/f51343f346e6abde094548a7fb34472b0d4cae91
- https://git.kernel.org/stable/c/3dc0eda2cd5c653b162852ae5f0631bfe4ca5e95
- https://git.kernel.org/stable/c/0ac0beb4235a9a474f681280a3bd4e2a5bb66569
- https://git.kernel.org/stable/c/efa353ae1b0541981bc96dbf2e586387d0392baa
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-50232
- https://nvd.nist.gov/vuln/detail/CVE-2024-50232
- https://launchpad.net/bugs/cve/CVE-2024-50232
- https://security-tracker.debian.org/tracker/CVE-2024-50232
- https://ubuntu.com/security/CVE-2024-50232
- https://git.kernel.org/linus/efa353ae1b0541981bc96dbf2e586387d0392baa
Frequently Asked Questions
What is the severity of CVE-2024-50232?
CVE-2024-50232 has been assigned a medium severity rating due to the potential for a division by zero error.
What is affected by CVE-2024-50232?
CVE-2024-50232 affects multiple versions of the Linux kernel, specifically those between 5.13 and 6.12-rc5.
How do I fix CVE-2024-50232?
To fix CVE-2024-50232, update the Linux kernel to a patched version that resolves the division by zero issue.
What type of vulnerability is CVE-2024-50232?
CVE-2024-50232 is a programming error vulnerability that can lead to a division by zero in the ad7124_write_raw function.
What can happen if CVE-2024-50232 is exploited?
If CVE-2024-50232 is exploited, it could lead to system instability or crashes due to the division by zero error.
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