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RHEL 7 : kernel (RHSA-2020:1984)
medium Nessus Plugin ID 136188
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Synopsis
The remote Red Hat host is missing a security update for kernel.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:1984 advisory.The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: powerpc: incomplete Spectre-RSB mitigation leads to information exposure (CVE-2019-18660)
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):
* [Stratus 7.6 Bug] Deadlock on hcd->bandwidth_mutex when usb controller fails during initialization (BZ#1764528)
* RHEL7.7 Snapshot5 - retry when cpu offline races with migration (BZ#1766094)
* Slow console output with ast (Aspeed) graphics driver (BZ#1780147)
* RHEL7.7 - qeth: add safeguards to RX data path (BZ#1792248)
* 'soft lockup' events during unmount of container file system due to bloated dentry cache / memory cgroup slab cache reclaim not available in RHEL7 (BZ#1796358)
* [GSS] Can't access the mount point due to possible blocking of i/o on rbd (BZ#1796435)
* [xfstests]: copy_file_range cause corruption on rhel-7 (BZ#1797967)
* kernel: UAF in cdev_put() when a PTP device is removed while its chardev is open (BZ#1798395)
* [HPE 7.8 Bug] RHEL7.8 kernel may ignore NMI from ilo (BZ#1798397)
* [HPEMC RHEL 7.7 RHEL 7.8 REGRESSION] kernel not populating numa_nod in /sys/devices... for PMEM (BZ#1801697)
* Unable to exclude files from auditing (BZ#1806429)
* DNAT'd packet is not unmangled upon reply on openshift node (BZ#1806446)
* port show-kabi to python3 (BZ#1806929)
* top shows super high loads when tuned profile realtime-virtual-host is applied (BZ#1808029)
* Backport CIFS stale ESTALE handling and dentry revalidation patches (BZ#1811053)
* Observed a memory leak while using dm-multipath (BZ#1812936)
* dm-multipath high load backport incorrect (BZ#1814536)
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-2020:1984.See Also
http://www.nessus.org/u?b337dc46
https://access.redhat.com/security/updates/classification/#moderate
Plugin Details
Severity: Medium
ID: 136188
File Name: redhat-RHSA-2020-1984.nasl
Version: 1.10
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/30/2020
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: Low
Base Score: 1.9
Temporal Score: 1.4
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2019-18660
CVSS v3
Risk Factor: Medium
Base Score: 4.7
Temporal Score: 4.1
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-devel, cpe:/o:redhat:rhel_eus:7.7, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, 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:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel, 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 Ease: No known exploits are available
Patch Publication Date: 4/30/2020
Vulnerability Publication Date: 11/27/2019
Reference Information
CVE: CVE-2019-18660