Review reviewHigh

CVE-2024-56557

Linux Linux, linux kernel

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().

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2024.12.28
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

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().

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 851644a60d200c9a294de5a5594004bcf13d34c7 < 6e4d236d9c4b38571c394d3ab6e85dfb71c33ed3, >= 851644a60d200c9a294de5a5594004bcf13d34c7 < 00663d3e000c31d0d49ef86a809f5c107c2d09cd, >= 851644a60d200c9a294de5a5594004bcf13d34c7 < e5cac32721997cb8bcb208a29f4598b3faf46338, >= 851644a60d200c9a294de5a5594004bcf13d34c7 < 218ecc35949129171ca39bcc0d407c8dc4cd0bbc, >= 851644a60d200c9a294de5a5594004bcf13d34c7 < 3a4187ec454e19903fd15f6e1825a4b84e59a4cd, >= 5.6, >= 5.6 < 6.1.120, >= 6.2 < 6.6.64, >= 6.7 < 6.12.4
Fixed versions
6.1.120, 6.6.64, 6.12.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-120
CVE-2024-56557 — Linux Linux, linux kernel | SECUFOCUS NOW