What is CVE-2024-56557?

CVE-2024-56557 is a high-severity vulnerability in Linux, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2024-12-27.

How severe is CVE-2024-56557?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2024-56557 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linux

CVE-2024-56557

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().

Vulnerability class: Buffer Overflow

EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions 851644a60d200c9a294de5a5594004bcf13d34c7, 5.6, 0
Linux Linux_kernel

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-56557?: CVE-2024-56557 is a high-severity vulnerability in Linux, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2024-12-27.
How severe is CVE-2024-56557?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2024-56557 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.