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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:106964
[Eng]
Version
4
Class
patch
ALTXid
292136
Language
Russian
Severity
High
Title
Обновление USN-4135-1 -- уязвимости Linux kernel
Description
Several security issues were fixed in the Linux kernel.
Family
unix
Platform
Linux Mint 18.x
Linux Mint 19.x
Ubuntu 16.04
Ubuntu 18.04
Ubuntu 19.04
Product
linux
linux-aws
linux-aws-hwe
linux-azure
linux-gcp
linux-gke-4.15
linux-gke-5.0
linux-hwe
linux-kvm
linux-oem
linux-oracle
linux-raspi2
linux-snapdragon
Reference
VENDOR: USN-4135-1
VENDOR: USN-4135-1
Id:
USN-4135-1
Reference:
https://usn.ubuntu.com/4135-1/
CVE: CVE-2019-14835
CVE: CVE-2019-14835
Id:
CVE-2019-14835
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-14835
Comment
: A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
120 (Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14835 (CONFIRM)
https://www.openwall.com/lists/oss-security/2019/09/17/1 (MISC)
USN-4135-2 (UBUNTU)
RHSA-2019:2828 (REDHAT)
RHSA-2019:2827 (REDHAT)
RHSA-2019:2830 (REDHAT)
RHSA-2019:2829 (REDHAT)
RHSA-2019:2854 (REDHAT)
RHSA-2019:2863 (REDHAT)
RHSA-2019:2862 (REDHAT)
RHSA-2019:2865 (REDHAT)
RHSA-2019:2864 (REDHAT)
RHSA-2019:2866 (REDHAT)
RHSA-2019:2867 (REDHAT)
RHSA-2019:2869 (REDHAT)
http://packetstormsecurity.com/files/154572/Kernel-Live-Patch-Security-Notice-LSN-0056-1.html (MISC)
[oss-security] 20190924 Re: CVE-2019-14835: QEMU-KVM Guest to Host Kernel Escape Vulnerability: vhost/vhost_net kernel buffer overflow (MLIST)
RHSA-2019:2889 (REDHAT)
openSUSE-SU-2019:2173 (SUSE)
openSUSE-SU-2019:2181 (SUSE)
20190925 [SECURITY] [DSA 4531-1] linux security update (BUGTRAQ)
DSA-4531 (DEBIAN)
[debian-lts-announce] 20190925 [SECURITY] [DLA 1930-1] linux security update (MLIST)
RHSA-2019:2900 (REDHAT)
RHSA-2019:2901 (REDHAT)
RHSA-2019:2899 (REDHAT)
RHSA-2019:2924 (REDHAT)
USN-4135-1 (UBUNTU)
[debian-lts-announce] 20191001 [SECURITY] [DLA 1940-1] linux-4.9 security update (MLIST)
[oss-security] 20191003 Re: CVE-2019-14835: QEMU-KVM Guest to Host Kernel Escape Vulnerability: vhost/vhost_net kernel buffer overflow (MLIST)
[oss-security] 20191009 Re: CVE-2019-14835: QEMU-KVM Guest to Host Kernel Escape Vulnerability: vhost/vhost_net kernel buffer overflow (MLIST)
[oss-security] 20191009 Re: CVE-2019-14835: QEMU-KVM Guest to Host Kernel Escape Vulnerability: vhost/vhost_net kernel buffer overflow (MLIST)
RHBA-2019:2824 (REDHAT)
http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html (MISC)
https://security.netapp.com/advisory/ntap-20191031-0005/ (CONFIRM)
20191108 [slackware-security] Slackware 14.2 kernel (SSA:2019-311-01) (BUGTRAQ)
http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html (MISC)
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200115-01-qemu-en (CONFIRM)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YW3QNMPENPFEGVTOFPSNOBL7JEIJS25P/ (MISC)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQFY6JYFIQ2VFQ7QCSXPWTUL5ZDNCJL5/ (MISC)
CVE: CVE-2019-15030
CVE: CVE-2019-15030
Id:
CVE-2019-15030
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15030
Comment
: In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via a Facility Unavailable exception. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process because of a missing arch/powerpc/kernel/process.c check.
CVSSv2 Score:
3.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:P
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CWE:
862 (Missing Authorization)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8205d5d98ef7f155de211f5e2eb6ca03d95a5a60 (MISC)
http://www.openwall.com/lists/oss-security/2019/09/10/3 (MISC)
USN-4135-2 (UBUNTU)
openSUSE-SU-2019:2173 (SUSE)
openSUSE-SU-2019:2181 (SUSE)
USN-4135-1 (UBUNTU)
https://security.netapp.com/advisory/ntap-20191004-0001/ (CONFIRM)
RHSA-2020:0740 (REDHAT)
CVE: CVE-2019-15031
CVE: CVE-2019-15031
Id:
CVE-2019-15031
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15031
Comment
: In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process, because MSR_TM_ACTIVE is misused in arch/powerpc/kernel/process.c.
CVSSv2 Score:
3.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:P
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
CWE:
662 (Improper Synchronization)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a8318c13e79badb92bc6640704a64cc022a6eb97 (MISC)
http://www.openwall.com/lists/oss-security/2019/09/10/4 (MISC)
USN-4135-2 (UBUNTU)
openSUSE-SU-2019:2173 (SUSE)
openSUSE-SU-2019:2181 (SUSE)
USN-4135-1 (UBUNTU)
https://security.netapp.com/advisory/ntap-20191004-0001/ (CONFIRM)
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