The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
Category : Permissions, Privileges, and Access Controls Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.
메트릭
메트릭
점수
심각도
CVSS 벡터
출처
V2
1.9
AV:L/AC:M/Au:N/C:N/I:N/A:P
nvd@nist.gov
EPSS
EPSS는 취약점이 악용될 가능성을 예측하는 점수 모델입니다.
EPSS 점수
EPSS 모델은 0과 1(0~100%) 사이의 확률 점수를 생성합니다. 점수가 높을수록 취약점이 악용될 가능성이 높습니다.
날짜
EPSS V0
EPSS V1
EPSS V2 (> 2022-02-04)
EPSS V3 (> 2025-03-07)
EPSS V4 (> 2025-03-17)
2022-02-06
–
–
1.28%
–
–
2022-03-13
–
–
1.28%
–
–
2022-04-03
–
–
1.28%
–
–
2022-06-19
–
–
1.28%
–
–
2022-10-02
–
–
1.28%
–
–
2023-03-12
–
–
–
0.12%
–
2023-04-30
–
–
–
0.12%
–
2023-10-15
–
–
–
0.12%
–
2024-02-11
–
–
–
0.12%
–
2024-06-02
–
–
–
0.12%
–
2024-06-02
–
–
–
0.12%
–
2024-07-14
–
–
–
0.12%
–
2024-08-04
–
–
–
0.12%
–
2024-08-11
–
–
–
0.12%
–
2024-12-08
–
–
–
0.12%
–
2024-12-22
–
–
–
0.12%
–
2025-01-19
–
–
–
0.12%
–
2025-03-09
–
–
–
0.12%
–
2025-03-09
–
–
–
0.12%
–
2025-03-18
–
–
–
–
1.08%
2025-03-30
–
–
–
–
1.42%
2025-05-01
–
–
–
–
1.42%
2025-05-05
–
–
–
–
1.42%
2025-05-09
–
–
–
–
1.42%
2025-11-18
–
–
–
–
1.42%
2025-11-21
–
–
–
–
1.42%
2026-03-29
–
–
–
–
1.42%
EPSS 백분위수
백분위수는 EPSS 점수에 따라 CVE의 순위를 매기는 데 사용됩니다. 예를 들어 EPSS 점수 기준 95번째 백분위수의 CVE는 다른 CVE의 95%보다 악용될 가능성이 높습니다.