{"cve":"CVE-2023-52654","nvd":{"published":"2024-05-14T14:23:13.130","modified":"2026-08-04T10:18:36.427","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/af_unix: disable sending io_uring over sockets\n\nFile reference cycles have caused lots of problems for io_uring\nin the past, and it still doesn't work exactly right and races with\nunix_stream_read_generic(). The safest fix would be to completely\ndisallow sending io_uring files via sockets via SCM_RIGHT, so there\nare no possible cycles invloving registered files and thus rendering\nSCM accounting on the io_uring side unnecessary.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":[],"references":["https://git.kernel.org/stable/c/18824f592aad4124d79751bbc1500ea86ac3ff29","https://git.kernel.org/stable/c/3fe1ea5f921bf5b71cbfdc4469fb96c05936610e","https://git.kernel.org/stable/c/5a33d385eb36991a91e3dddb189d8679e2aac2be","https://git.kernel.org/stable/c/705318a99a138c29a512a72c3e0043b3cd7f55f4","https://git.kernel.org/stable/c/bcedd497b3b4a0be56f3adf7c7542720eced0792"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:49:23.840078609+00:00"},"epss":{"cve":"CVE-2023-52654","score":0.00892,"percentile":0.59437,"date":"2026-11-01"},"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."]}