CVE-2023-28466

2023-03-1600:00:00

ubuntu.com

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

3.5 Low

CVSS2

Access Vector

LOCAL

Access Complexity

HIGH

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6
lacks a lock_sock call, leading to a race condition (with a resultant
use-after-free or NULL pointer dereference).

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-156.173UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-79.86UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-23.23UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1107.115UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1042.47UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1005.5UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1041.46~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1107.115~18.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1114.120UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1045.52UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< 5.4.0-156.173	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-79.86	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-23.23	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1107.115	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1042.47	UNKNOWN
ubuntu	23.04	noarch	linux-aws	< 6.2.0-1005.5	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1041.46~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1107.115~18.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1114.120	UNKNOWN
ubuntu	22.04	noarch	linux-azure	< 5.15.0-1045.52	UNKNOWN