{"cve":"CVE-2023-52746","nvd":{"published":"2024-05-21T16:15:14.377","modified":"2026-06-17T06:43:29.273","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()\n\n  int type = nla_type(nla);\n\n  if (type > XFRMA_MAX) {\n            return -EOPNOTSUPP;\n  }\n\n@type is then used as an array index and can be used\nas a Spectre v1 gadget.\n\n  if (nla_len(nla) < compat_policy[type].len) {\n\narray_index_nospec() can be used to prevent leaking\ncontent of kernel memory to malicious users.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","score":2.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d","https://git.kernel.org/stable/c/5dc688fae6b7be9dbbf5304a3d2520d038e06db5","https://git.kernel.org/stable/c/a893cc644812728e86e9aff517fd5698812ecef0","https://git.kernel.org/stable/c/b6ee896385380aa621102e8ea402ba12db1cabff","https://git.kernel.org/stable/c/419674224390fca298020fc0751a20812f84b12d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2023-52746","score":0.00243,"percentile":0.15512,"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."]}