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ubuntucveUbuntu.comUB:CVE-2022-28356
HistoryApr 02, 2022 - 12:00 a.m.

CVE-2022-28356

2022-04-0200:00:00
ubuntu.com
ubuntu.com
22

5.5 Medium

CVSS3

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

25.7%

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
ubuntu16.04noarchlinux-hwe< 4.15.0-184.194~16.04.1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-hwe-5.4< 5.4.0-117.132~18.04.1UNKNOWN
ubuntu20.04noarchlinux-raspi< 5.4.0-1065.75UNKNOWN
ubuntu22.04noarchlinux-raspi< 5.15.0-1011.13UNKNOWN
ubuntu18.04noarchlinux-raspi2< 4.15.0-1114.122UNKNOWN
ubuntu18.04noarchlinux< 4.15.0-184.194UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-117.132UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-35.36UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-229.263) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1133.143UNKNOWN
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5.5 Medium

CVSS3

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

25.7%

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