{"cve":"CVE-2023-4732","nvd":{"published":"2023-10-03T17:15:09.853","modified":"2026-06-17T06:38:28.520","status":"Modified","description":"A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.","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":["CWE-362","CWE-366"],"references":["https://access.redhat.com/errata/RHSA-2023:6901","https://access.redhat.com/errata/RHSA-2023:7077","https://access.redhat.com/errata/RHSA-2023:7539","https://access.redhat.com/errata/RHSA-2024:0412","https://access.redhat.com/security/cve/CVE-2023-4732"],"products":["linux:linux_kernel","redhat:codeready_linux_builder","redhat:codeready_linux_builder_for_arm64","redhat:codeready_linux_builder_for_power_little_endian","redhat:enterprise_linux","redhat:enterprise_linux_for_arm_64","redhat:enterprise_linux_for_ibm_z_systems","redhat:enterprise_linux_for_power_little_endian","redhat:enterprise_linux_for_real_time","redhat:enterprise_linux_for_real_time_for_nfv"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-4732","score":0.00183,"percentile":0.079,"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."]}