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ubuntucveUbuntu.comUB:CVE-2023-5158
HistorySep 25, 2023 - 12:00 a.m.

CVE-2023-5158

2023-09-2500:00:00
ubuntu.com
ubuntu.com
9
vringh_linux_kernel
denial_of_service
zero_length_descriptor

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%

A flaw was found in vringh_kiov_advance in drivers/vhost/vringh.c in the
host side of a virtio ring in the Linux Kernel. This issue may result in a
denial of service from guest to host via zero length descriptor.

Bugs

Notes

Author Note
rodrigo-zaiden first publication of USN-6536-1 wrongly announced that linux-azure on mantic fixed this issue in version 6.5.0-1009.9. It was fixed with USN-6573-1.
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1-10 of 681

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.1%