CentOS 6 : kernel (CESA-2019:0717)

high Nessus Plugin ID 124035
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for kernel is now available for Red Hat Enterprise Linux 6.

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.

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

Security Fix(es) :

* kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non-members (CVE-2018-13405)

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) :

* sched/sysctl: Check user input value of sysctl_sched_time_avg (BZ#1579128)

* unable to handle kernel NULL pointer dereference at 000000000000005d in tcp_enter_frto+0x102 (BZ#1585892)

* qla2xxx: Mask Off Scope bits for Retry delay timer in the driver (BZ# 1588133)

* [PATCH] perf: Fix a race between ring_buffer_detach() and ring_buffer_wakeup() (BZ#1589340)

* RHEL6.10 - kernel: improve spectre mitigation for s390x (BZ#1625381)

* kernel panic due to NULL pointer dereference in __wake_up_common through perf_event_wakeup (BZ#1627672)

* After upgrading from rhel 6.9 to rhel 6.10, files in a cifs share can't be read (BZ#1636484)

* Retpoline impact on vdso gettimeofday performance (BZ#1638552)

* [RHEL 6.10] 32-bit kernel-2.6.32-754.3.5 registers the swap of 4k size only (BZ#1670328)

Solution

Update the affected kernel packages.

See Also

http://www.nessus.org/u?3bf6985c

Plugin Details

Severity: High

ID: 124035

File Name: centos_RHSA-2019-0717.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/15/2019

Updated: 12/31/2019

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2018-13405

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:centos:centos:6:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel-doc:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel-headers:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel-firmware:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:perf:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:python-perf:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:kernel-abi-whitelists:*:*:*:*:*:*:*

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/12/2019

Vulnerability Publication Date: 7/6/2018

Reference Information

CVE: CVE-2018-13405

RHSA: 2019:0717