vulnerability

Ubuntu: (Multiple Advisories) (CVE-2019-19227): Linux kernel vulnerabilities

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Severity	CVSS	Published	Added	Modified
2	(AV:L/AC:L/Au:N/C:N/I:N/A:P)	Nov 22, 2019	Jan 29, 2020	Mar 22, 2023

Severity

CVSS

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

Published

Nov 22, 2019

Added

Jan 29, 2020

Modified

Mar 22, 2023

Description

In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregister_snap_client, aka CID-9804501fa122.

Solution(s)

ubuntu-upgrade-linux-image-4-15-0-1033-oracleubuntu-upgrade-linux-image-4-15-0-1052-gkeubuntu-upgrade-linux-image-4-15-0-1053-kvmubuntu-upgrade-linux-image-4-15-0-1055-gcpubuntu-upgrade-linux-image-4-15-0-1055-raspi2ubuntu-upgrade-linux-image-4-15-0-1060-awsubuntu-upgrade-linux-image-4-15-0-1069-azureubuntu-upgrade-linux-image-4-15-0-1071-azureubuntu-upgrade-linux-image-4-15-0-1072-snapdragonubuntu-upgrade-linux-image-4-15-0-88-genericubuntu-upgrade-linux-image-4-15-0-88-generic-lpaeubuntu-upgrade-linux-image-4-15-0-88-lowlatencyubuntu-upgrade-linux-image-4-4-0-1061-awsubuntu-upgrade-linux-image-4-4-0-1065-kvmubuntu-upgrade-linux-image-4-4-0-1101-awsubuntu-upgrade-linux-image-4-4-0-1128-raspi2ubuntu-upgrade-linux-image-4-4-0-1132-snapdragonubuntu-upgrade-linux-image-4-4-0-173-genericubuntu-upgrade-linux-image-4-4-0-173-generic-lpaeubuntu-upgrade-linux-image-4-4-0-173-lowlatencyubuntu-upgrade-linux-image-4-4-0-173-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-173-powerpc-smpubuntu-upgrade-linux-image-4-4-0-173-powerpc64-embubuntu-upgrade-linux-image-4-4-0-173-powerpc64-smpubuntu-upgrade-linux-image-5-0-0-1010-oracleubuntu-upgrade-linux-image-5-0-0-1024-awsubuntu-upgrade-linux-image-5-0-0-1029-gcpubuntu-upgrade-linux-image-5-0-0-1029-gkeubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-edgeubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-16-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-4-15ubuntu-upgrade-linux-image-gke-5-0ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-edgeubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-e500mc-lts-xenialubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc-smp-lts-xenialubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-emb-lts-xenialubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-powerpc64-smp-lts-xenialubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-lts-xenial

References

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