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ubuntucveUbuntu.comUB:CVE-2022-47929
HistoryJan 17, 2023 - 12:00 a.m.

CVE-2022-47929

2023-01-1700:00:00
ubuntu.com
ubuntu.com
11

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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

13.2%

JSON

In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the
traffic control subsystem allows an unprivileged user to trigger a denial
of service (system crash) via a crafted traffic control configuration that
is set up with “tc qdisc” and “tc class” commands. This affects qdisc_graft
in net/sched/sch_api.c.

Notes

Author Note
rodrigo-zaiden USN-5975-1 first publication included esm/xenial linux-gcp version 4.15.0-1146.162~16.04.1 by mistake, it got fixed in version 4.15.0-1147.163~16.04.1 as published in USN-6009-1.
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-208.220UNKNOWN
ubuntu20.04noarchlinux< 5.4.0-144.161UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-70.77UNKNOWN
ubuntu22.10noarchlinux< 5.19.0-40.41UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-239.273) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1153.166UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1097.105UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1034.38UNKNOWN
ubuntu22.10noarchlinux-aws< 5.19.0-1023.24UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1117.123) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
Rows per page:
1-10 of 801

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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

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

13.2%

JSON
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