CVE-2023-1838

2023-04-0500:00:00

ubuntu.com

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

3.2 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:S/C:P/I:N/A:P

0.0004 Low

EPSS

Percentile

5.2%

JSON

A use-after-free flaw was found in vhost_net_set_backend in
drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due
to a double fget. This flaw could allow a local attacker to crash the
system, and could even lead to a kernel information leak problem.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-224.236) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux< 5.4.0-126.142UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-47.51UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1167.180) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1085.92UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1019.23UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1019.23~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1085.92~18.04.1UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1167.180~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1091.96UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-224.236) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-126.142	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-47.51	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1167.180) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1085.92	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1019.23	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1019.23~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1085.92~18.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1167.180~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1091.96	UNKNOWN