{"cve":"CVE-2024-56557","nvd":{"published":"2024-12-27T15:15:14.520","modified":"2026-08-04T11:22:10.727","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: ad7923: Fix buffer overflow for tx_buf and ring_xfer\n\nThe AD7923 was updated to support devices with 8 channels, but the size\nof tx_buf and ring_xfer was not increased accordingly, leading to a\npotential buffer overflow in ad7923_update_scan_mode().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-120"],"references":["https://git.kernel.org/stable/c/00663d3e000c31d0d49ef86a809f5c107c2d09cd","https://git.kernel.org/stable/c/218ecc35949129171ca39bcc0d407c8dc4cd0bbc","https://git.kernel.org/stable/c/3a4187ec454e19903fd15f6e1825a4b84e59a4cd","https://git.kernel.org/stable/c/6e4d236d9c4b38571c394d3ab6e85dfb71c33ed3","https://git.kernel.org/stable/c/e5cac32721997cb8bcb208a29f4598b3faf46338"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-56557","score":0.00252,"percentile":0.16722,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}