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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-5090
HistoryNov 06, 2023 - 11:15 a.m.

CVE-2023-5090

2023-11-0611:15:09
Debian Security Bug Tracker
security-tracker.debian.org
16
kvm
x2apic
denial of service
host access

CVSS3

6

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0

Percentile

5.1%

A flaw was found in KVM. An improper check in svm_set_x2apic_msr_interception() may allow direct access to host x2apic msrs when the guest resets its apic, potentially leading to a denial of service condition.

CVSS3

6

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.4

Confidence

High

EPSS

0

Percentile

5.1%