CVE-2022-28356

2022-04-0200:00:00

ubuntu.com

cve-2022-28356

linux kernel

refcount leak

af_llc.c

network namespaces

cap_net_raw

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

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

0.001

Percentile

27.4%

JSON

In the Linux kernel before 5.17.1, a refcount leak bug was found in
net/llc/af_llc.c.

Notes

Author	Note
cascardo	LLC sockets are not supported on network namespaces and require CAP_NET_RAW

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-184.194UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-117.132UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-35.36UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-229.263UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1133.143UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1078.84UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1009.11UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1109.115UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1145.160UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< 5.4.0-1078.84~18.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-184.194	UNKNOWN
ubuntu	20.04	noarch	linux	< 5.4.0-117.132	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-35.36	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-229.263	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1133.143	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1078.84	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1009.11	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1109.115	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1145.160	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< 5.4.0-1078.84~18.04.1	UNKNOWN