{"id":"CVE-2023-52450","summary":"perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()\n\nGet logical socket id instead of physical id in discover_upi_topology()\nto avoid out-of-bound access on 'upi = &type-\u003etopology[nid][idx];' line\nthat leads to NULL pointer dereference in upi_fill_topology()","modified":"2026-04-02T09:42:45.980600Z","published":"2024-02-22T16:21:41.661Z","related":["SUSE-SU-2024:1320-1","SUSE-SU-2024:1321-1","SUSE-SU-2024:1466-1","SUSE-SU-2024:1480-1","SUSE-SU-2024:1490-1","USN-6818-2","USN-6819-2"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52450.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1692cf434ba13ee212495b5af795b6a07e986ce4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d6f4a78b104c65e4256c3776c9949f49a1b459e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bf1bf09e6b599758851457f3999779622a48d015"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52450.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52450"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f680b6e6062ef3c944ffc966d685f067958fca33"},{"fixed":"bf1bf09e6b599758851457f3999779622a48d015"},{"fixed":"3d6f4a78b104c65e4256c3776c9949f49a1b459e"},{"fixed":"1692cf434ba13ee212495b5af795b6a07e986ce4"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52450.json"}}],"schema_version":"1.7.5"}