{"cve":"CVE-2024-56720","nvd":{"published":"2024-12-29T12:15:06.037","modified":"2026-08-04T11:22:25.153","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, sockmap: Several fixes to bpf_msg_pop_data\n\nSeveral fixes to bpf_msg_pop_data,\n1. In sk_msg_shift_left, we should put_page\n2. if (len == 0), return early is better\n3. pop the entire sk_msg (last == msg->sg.size) should be supported\n4. Fix for the value of variable \"a\"\n5. In sk_msg_shift_left, after shifting, i has already pointed to the next\nelement. Addtional sk_msg_iter_var_next may result in BUG.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-193","CWE-401"],"references":["https://git.kernel.org/stable/c/275a9f3ef8fabb0cb282a62b9e164dedba7284c5","https://git.kernel.org/stable/c/5d609ba262475db450ba69b8e8a557bd768ac07a","https://git.kernel.org/stable/c/785180bed9879680d8e5c5e1b54c8ae8d948f4c8","https://git.kernel.org/stable/c/98c7ea7d11f2588e8197db042e0291e4ac8f8346","https://git.kernel.org/stable/c/d26d977633d1d0b8bf9407278189bd0a8d973323"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-56720","score":0.00242,"percentile":0.1536,"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."]}