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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
13
linux kernel
traffic control
denial of service
null pointer
bug

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

0.0004 Low

EPSS

Percentile

14.2%

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< 4.4.0-239.273UNKNOWN
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< 4.4.0-1117.123UNKNOWN
Rows per page:
1-10 of 811

References

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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

0.0004 Low

EPSS

Percentile

14.2%

JSON
Related for UB:CVE-2022-47929
cve1redhatcve1prion1cnvd1veracode1nessus62debiancve1nvd1cvelist1cbl_mariner3redos1virtuozzo2openvas52ubuntu22osv28oraclelinux7amazon2ibm2mageia2debian3photon2slackware1almalinux2