{"cve":"CVE-2022-34398","nvd":{"published":"2023-02-01T06:15:08.710","modified":"2026-06-17T04:50:14.450","status":"Modified","description":"Dell BIOS contains a Time-of-check Time-of-use vulnerability. A local authenticated malicious user could\\u00a0potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI to gain arbitrary code execution on the system.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.0},"cwes":["CWE-367"],"references":["https://www.dell.com/support/kbdoc/000206038","https://www.dell.com/support/kbdoc/000206038"],"products":["dell:alienware_area_51m_r1_firmware","dell:alienware_area_51m_r2_firmware","dell:alienware_aurora_r10_firmware","dell:alienware_aurora_r11_firmware","dell:alienware_aurora_r12_firmware","dell:alienware_aurora_r13_firmware","dell:alienware_aurora_r8_firmware","dell:alienware_aurora_r9_firmware","dell:alienware_m15_r1_firmware","dell:alienware_m15_r2_firmware","dell:alienware_m15_r3_firmware","dell:alienware_m15_r4_firmware","dell:alienware_m17_r1_firmware","dell:alienware_m17_r2_firmware","dell:alienware_m17_r3_firmware","dell:alienware_m17_r4_firmware","dell:alienware_x14_firmware","dell:alienware_x15_r1_firmware","dell:alienware_x15_r2_firmware","dell:alienware_x17_r1_firmware","dell:alienware_x17_r2_firmware","dell:aurora_r14_firmware","dell:chengming_3980_firmware","dell:chengming_3988_firmware","dell:chengming_3990_firmware","dell:chengming_3991_firmware","dell:dell_g3_15_3590_firmware","dell:dell_g3_3579_firmware","dell:dell_g3_3779_firmware","dell:dell_g5_15_5590_firmware","dell:dell_g5_5000_firmware","dell:dell_g5_5090_firmware","dell:dell_g7_15_7590_firmware","dell:dell_g7_17_7790_firmware","dell:dell_latitude_3480_firmware","dell:dell_latitude_3580_firmware","dell:edge_gateway_3000_firmware","dell:edge_gateway_5000_firmware","dell:embedded_box_pc_3000_firmware","dell:embedded_box_pc_5000_firmware","dell:inspiron_3280_firmware","dell:inspiron_3470_firmware","dell:inspiron_3471_firmware","dell:inspiron_3480_firmware","dell:inspiron_3481_firmware","dell:inspiron_3482_firmware","dell:inspiron_3502_firmware","dell:inspiron_3510_firmware","dell:inspiron_3521_firmware","dell:inspiron_3580_firmware"],"source":"nvd","synced_at":"2026-10-19T21:37:38.595364862+00:00"},"epss":{"cve":"CVE-2022-34398","score":0.0016,"percentile":0.05094,"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."]}