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veracodeVeracode Vulnerability DatabaseVERACODE:44534
HistoryNov 30, 2023 - 8:56 p.m.

Denial Of Service (DoS)

2023-11-3020:56:50
Veracode Vulnerability Database
sca.analysiscenter.veracode.com
13
xen
denial of service
debug masks
guest crash
software

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.9

Confidence

High

EPSS

0

Percentile

9.0%

xen is vulnerable to Denial Of Service (DoS). The vulnerability exists because any guest (PV or HVM) utilizing Debug Masks for its own purposes can cause incorrect behavior in an unrelated HVM vCPU. This issue is likely to result in a guest crash.

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

AI Score

6.9

Confidence

High

EPSS

0

Percentile

9.0%