7.8

CVE-2024-56557: linux Classic Buffer Overflow

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2024-56557DEBIAN-CVE-2024-56557
Published 27-12-2024Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2024-56557 is a high (CVSS 7.8) Classic Buffer Overflow vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.6% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 37 · Related 38
DLA-4076-1SUSE-SU-2025:0289-1SUSE-SU-2025:0428-1SUSE-SU-2025:0499-1SUSE-SU-2025:0556-1SUSE-SU-2025:0557-1

Timeline

  1. 27-12-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu124 products
  • linux< 5.15.0-186.196 | < 6.8.0-58.60
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1112.119 | < 6.8.0-1027.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 851644a60d200c9a294de5a5594004bcf13d34c7, < 6e4d236d9c4b38571c394d3ab6e85dfb71c33ed3 | ≥ 851644a60d200c9a294de5a5594004bcf13d34c7, < 00663d3e000c31d0d49ef86a809f5c107c2d09cd | ≥ 851644a60d200c9a294de5a5594004bcf13d34c7, < e5cac32721997cb8bcb208a29f4598b3faf46338 | ≥ 851644a60d200c9a294de5a5594004bcf13d34c7, < 218ecc35949129171ca39bcc0d407c8dc4cd0bbc | ≥ 851644a60d200c9a294de5a5594004bcf13d34c7, < 3a4187ec454e19903fd15f6e1825a4b84e59a4cd | 5.6
  • linux_kernel≥ 5.6, < 6.1.120 | ≥ 6.2, < 6.6.64 | ≥ 6.7, < 6.12.4
Debian1 product
  • linux< 6.1.123-1 | < 6.12.5-1

3 vendors · 127 products

References

37 links
Show all 37 references