CVE-2023-2177

2023-04-2000:00:00

ubuntu.com

cve-2023-2177

denial of service

stream_sched.c

allocation failure

crash

unix

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

Percentile

5.1%

JSON

A null pointer dereference issue was found in the sctp network protocol in
net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed,
stream_out is freed which would further be accessed. A local user could use
this flaw to crash the system or potentially cause a denial of service.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-128.144UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-50.56UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1086.93UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1021.25UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1021.25~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< anyUNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1094.100UNKNOWN
ubuntu22.04noarchlinux-azure< 5.15.0-1021.26UNKNOWN
ubuntu20.04noarchlinux-azure-5.15< 5.15.0-1021.26~20.04.1UNKNOWN
ubuntu18.04noarchlinux-azure-5.4< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< 5.4.0-128.144	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-50.56	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1086.93	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1021.25	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1021.25~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< any	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1094.100	UNKNOWN
ubuntu	22.04	noarch	linux-azure	< 5.15.0-1021.26	UNKNOWN
ubuntu	20.04	noarch	linux-azure-5.15	< 5.15.0-1021.26~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-azure-5.4	< any	UNKNOWN