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nvd[email protected]NVD:CVE-2023-3301
HistorySep 13, 2023 - 5:15 p.m.

CVE-2023-3301

2023-09-1317:15:10
CWE-362
CWE-617
web.nvd.nist.gov
7
qemu
hot-unplug
race scenario
net device
virtio-net pci frontend
assertion
denial of service

CVSS3

5.6

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

0

Percentile

5.1%

A flaw was found in QEMU. The async nature of hot-unplug enables a race scenario where the net device backend is cleared before the virtio-net pci frontend has been unplugged. A malicious guest could use this time window to trigger an assertion and cause a denial of service.

Affected configurations

Nvd
Node
qemuqemuRange8.0.3
Node
redhatenterprise_linuxMatch8.0
OR
redhatenterprise_linuxMatch9.0
VendorProductVersionCPE
qemuqemu*cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
redhatenterprise_linux8.0cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhatenterprise_linux9.0cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

CVSS3

5.6

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.2

Confidence

High

EPSS

0

Percentile

5.1%