CVE-2021-36148

An issue was discovered in ACRN before 2.5. dmar_free_irte in hypervisor/arch/x86/vtd.c allows an irte_alloc_bitmap buffer overflow.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/projectacrn/acrn-hypervisor/commit/25c0e3817eb332660dd63d1d4522e63dcc94e79a	Patch Third Party Advisory
https://github.com/projectacrn/acrn-hypervisor/commit/25c0e3817eb332660dd63d1d4522e63dcc94e79a	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:acrn:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:13

Type	Values Removed	Values Added
References	~~() https://github.com/projectacrn/acrn-hypervisor/commit/25c0e3817eb332660dd63d1d4522e63dcc94e79a - Patch, Third Party Advisory~~	() https://github.com/projectacrn/acrn-hypervisor/commit/25c0e3817eb332660dd63d1d4522e63dcc94e79a - Patch, Third Party Advisory

Information

Published : 2021-07-02 22:15

Updated : 2024-11-21 06:13

NVD link : CVE-2021-36148

Mitre link : CVE-2021-36148

CVE.ORG link : CVE-2021-36148

JSON object : View

Products Affected

linux

acrn

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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