{"cve":"CVE-2023-0597","nvd":{"published":"2023-02-23T20:15:12.927","modified":"2026-06-17T05:25:53.790","status":"Modified","description":"A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.","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:N/A:N","score":5.5},"cwes":["CWE-200","CWE-401"],"references":["http://www.openwall.com/lists/oss-security/2023/07/28/1","https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80","http://www.openwall.com/lists/oss-security/2023/07/28/1","https://git.kernel.org/linus/97e3d26b5e5f371b3ee223d94dd123e6c442ba80","https://www.openwall.com/lists/oss-security/2023/07/28/1"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:37:41.955480748+00:00"},"epss":{"cve":"CVE-2023-0597","score":0.00298,"percentile":0.22528,"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."]}