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CVE
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CVE-2019-18844Date: (C)2019-11-14   (M)2023-12-22


The Device Model in ACRN before 2019w25.5-140000p relies on assert calls in devicemodel/hw/pci/core.c and devicemodel/include/pci_core.h (instead of other mechanisms for propagating error information or diagnostic information), which might allow attackers to cause a denial of service (assertion failure) within pci core. This is fixed in 1.2. 6199e653418e is a mitigation for pre-1.1 versions, whereas 2b3dedfb9ba1 is a mitigation for 1.1.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.5CVSS Score : 5.0
Exploit Score: 3.9Exploit Score: 10.0
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: NETWORKAccess Vector: NETWORK
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
https://github.com/projectacrn/acrn-hypervisor/commit/2b3dedfb9ba13f15887f22b935d373f36c9a59fa
https://github.com/projectacrn/acrn-hypervisor/commit/6199e653418eda58cd698d8769820904453e2535
https://github.com/projectacrn/acrn-hypervisor/compare/acrn-2019w25.4-140000p...acrn-2019w25.5-140000p
https://github.com/projectacrn/acrn-hypervisor/issues/3252
https://github.com/shuox/acrn-hypervisor/commit/97b153237c256c586e528eac7fc2f51aedb2b2fc

CWE    1
CWE-617

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