Executive Summary

Summary
Title kernel security and bug fix update
Informations
Name RHSA-2019:3967 First vendor Publication 2019-11-26
Vendor RedHat Last vendor Modification 2019-11-26
Severity (Vendor) N/A Revision 01

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

An update for kernel is now available for Red Hat Enterprise Linux 7.5 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux ComputeNode EUS (v. 7.5) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.5) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.5) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.5) - ppc64, ppc64le, x86_64

3. Description:

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: Memory corruption due to incorrect socket cloning (CVE-2018-9568)

* kernel: MIDI driver race condition leads to a double-free (CVE-2018-10902)

* kernel: Use-after-free due to race condition in AF_PACKET implementation (CVE-2018-18559)

* Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)

* Kernel: page cache side channel attacks (CVE-2019-5489)

* Kernel: KVM: potential use-after-free via kvm_ioctl_create_device() (CVE-2019-6974)

* Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer (CVE-2019-7221)

* kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service (CVE-2017-18208)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

* A cluster node has multiple hung "mv" processes that are accessing a gfs2 filesystem. (BZ#1716321)

* Growing unreclaimable slab memory (BZ#1741918)

* [LLNL 7.5 Bug] slab leak causing a crash when using kmem control group (BZ#1748236)

* kernel build: parallelize redhat/mod-sign.sh (BZ#1755328)

* kernel build: speed up module compression step (BZ#1755337)

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1551565 - CVE-2017-18208 kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service 1590720 - CVE-2018-10902 kernel: MIDI driver race condition leads to a double-free 1641878 - CVE-2018-18559 kernel: Use-after-free due to race condition in AF_PACKET implementation 1655904 - CVE-2018-9568 kernel: Memory corruption due to incorrect socket cloning 1664110 - CVE-2019-5489 Kernel: page cache side channel attacks 1671904 - CVE-2019-7221 Kernel: KVM: nVMX: use-after-free of the hrtimer for emulation of the preemption timer 1671913 - CVE-2019-6974 Kernel: KVM: potential use-after-free via kvm_ioctl_create_device() 1698757 - CVE-2019-3900 Kernel: vhost_net: infinite loop while receiving packets leads to DoS

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-3967.html

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-416 Use After Free
25 % CWE-362 Race Condition
12 % CWE-704 Incorrect Type Conversion or Cast
12 % CWE-319 Cleartext Transmission of Sensitive Information

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 134
Application 122
Application 124
Application 117
Application 143
Application 87
Application 111
Application 136
Application 133
Application 137
Application 122
Application 97
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Application 1
Hardware 7
Hardware 6
Os 6
Os 3
Os 3
Os 1
Os 3309
Os 1
Os 2
Os 2
Os 1
Os 2
Os 2
Os 1
Os 2
Os 2

Nessus® Vulnerability Scanner

Date Description
2019-01-11 Name : The remote Virtuozzo host is missing a security update.
File : Virtuozzo_VZA-2018-077.nasl - Type : ACT_GATHER_INFO
2019-01-11 Name : The remote Virtuozzo host is missing a security update.
File : Virtuozzo_VZA-2018-086.nasl - Type : ACT_GATHER_INFO
2019-01-11 Name : The remote Virtuozzo host is missing a security update.
File : Virtuozzo_VZA-2018-088.nasl - Type : ACT_GATHER_INFO
2018-11-16 Name : The remote CentOS host is missing one or more security updates.
File : centos_RHSA-2018-3083.nasl - Type : ACT_GATHER_INFO
2018-10-04 Name : The remote Debian host is missing a security update.
File : debian_DLA-1531.nasl - Type : ACT_GATHER_INFO
2018-10-02 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4308.nasl - Type : ACT_GATHER_INFO
2018-09-18 Name : The remote EulerOS Virtualization host is missing multiple security updates.
File : EulerOS_SA-2018-1246.nasl - Type : ACT_GATHER_INFO
2018-03-20 Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1054.nasl - Type : ACT_GATHER_INFO

Alert History

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0
Date Informations
2020-03-19 13:19:39
  • First insertion