RHEL 6 : kernel (RHSA-2019:0717)

high Nessus Plugin ID 123963

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Synopsis

The remote Red Hat host is missing a security update for kernel.

Description

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:0717 advisory.

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)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL kernel package based on the guidance in RHSA-2019:0717.

Plugin Details

Severity: High

ID: 123963

File Name: redhat-RHSA-2019-0717.nasl

Version: 1.7

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 4/10/2019

Updated: 11/6/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Important

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

CVSS Score Source: CVE-2018-13405

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: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-firmware, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:perf

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/9/2019

Vulnerability Publication Date: 7/6/2018

Reference Information

CVE: CVE-2018-13405

CWE: 284

RHSA: 2019:0717

Detections

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