CVE-2023-3640
Red Hat Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7 취약점
- 대응 우선순위
- 점검
- CVSS
- 7.8
- EPSS
- 0.72% 백분위 49.2% · 2026.06.27 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2023.07.25
CVSS 위험도가 높아 영향 여부를 우선 점검할 취약점
A possible unauthorized memory access flaw was found in the Linux kernel's cpu_entry_area mapping of X86 CPU data to memory, where a user may guess the location of exception stacks or other important data. Based on the previous CVE-2023-0597, the 'Randomize per-cpu entry area' feature was implemented in /arch/x86/mm/cpu_entry_area.c, which works through the init_cea_offsets() function when KASLR is enabled. However, despite this feature, there is still a risk of per-cpu entry area leaks. This issue could allow a local user to gain access to some important data with memory in an expected loc...
공급사 Red Hat
제품 Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7
영향 버전 8.0, 9.0
수정 버전 공식 출처에서 확인 필요
CVSS 벡터 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-203, CWE-385
EPSS 데이터 기준일 2026.06.27