CVE-2024-56557: iio: adc: ad7923: Fix buffer overflow for tx_buf and ring_xfer
First published: Fri Dec 27 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7923: Fix buffer overflow for tx_buf and ring_xfer The AD7923 was updated to support devices with 8 channels, but the size of tx_buf and ring_xfer was not increased accordingly, leading to a potential buffer overflow in ad7923_update_scan_mode().
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | ||
| Linux Kernel | >=5.6<6.1.120 | |
| Linux Kernel | >=6.2<6.6.64 | |
| Linux Kernel | >=6.7<6.12.4 | |
| debian/linux | <=5.10.223-1<=5.10.234-1 | 6.1.129-1 6.1.133-1 6.12.22-1 |
| debian/linux-6.1 | 6.1.129-1~deb11u1 |
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Reference Links
- https://git.kernel.org/stable/c/00663d3e000c31d0d49ef86a809f5c107c2d09cd
- https://git.kernel.org/stable/c/e5cac32721997cb8bcb208a29f4598b3faf46338
- https://git.kernel.org/stable/c/218ecc35949129171ca39bcc0d407c8dc4cd0bbc
- https://git.kernel.org/stable/c/3a4187ec454e19903fd15f6e1825a4b84e59a4cd
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56557
- https://nvd.nist.gov/vuln/detail/CVE-2024-56557
- https://launchpad.net/bugs/cve/CVE-2024-56557
- https://security-tracker.debian.org/tracker/CVE-2024-56557
- https://ubuntu.com/security/CVE-2024-56557
- https://git.kernel.org/linus/3a4187ec454e19903fd15f6e1825a4b84e59a4cd
Frequently Asked Questions
What is the severity of CVE-2024-56557?
The severity of CVE-2024-56557 is classified as moderate due to the potential buffer overflow risk.
How do I fix CVE-2024-56557?
To fix CVE-2024-56557, update your Linux kernel to the latest version that includes the patch for the AD7923 device.
What systems are affected by CVE-2024-56557?
CVE-2024-56557 affects systems running the Linux kernel that utilize the AD7923 ADC.
What type of vulnerability is CVE-2024-56557?
CVE-2024-56557 is categorized as a buffer overflow vulnerability.
Can CVE-2024-56557 be exploited remotely?
CVE-2024-56557 requires local access for exploitation, making it less likely to be exploited remotely.
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