{"cve":"CVE-2024-56645","nvd":{"published":"2024-12-27T15:15:24.260","modified":"2026-08-04T11:22:17.233","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: j1939: j1939_session_new(): fix skb reference counting\n\nSince j1939_session_skb_queue() does an extra skb_get() for each new\nskb, do the same for the initial one in j1939_session_new() to avoid\nrefcount underflow.\n\n[mkl: clean up commit message]","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":[],"references":["https://git.kernel.org/stable/c/224e606a8d8e8c7db94036272c47a37455667313","https://git.kernel.org/stable/c/4199dd78a59896e091d3a7a05a77451aa7fd724d","https://git.kernel.org/stable/c/426d94815e12b6bdb9a75af294fbbafb9301601d","https://git.kernel.org/stable/c/68fceb143b635cdc59fed3896d5910aff38f345e","https://git.kernel.org/stable/c/a8c695005bfe6569acd73d777ca298ddddd66105"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-56645","score":0.00681,"percentile":0.52454,"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."]}