RHEL 8 : kernel (RHSA-2020:3010)

high Nessus Plugin ID 138805

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3010 advisory.

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

Security Fix(es):

* kernel: use-after-free in sound/core/timer.c (CVE-2019-19807)

* kernel: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)

* kernel: Rogue cross-process SSBD shutdown. Linux scheduler logical bug allows an attacker to turn off the SSBD protection. (CVE-2020-10766)

* kernel: Indirect Branch Prediction Barrier is force-disabled when STIBP is unavailable or enhanced IBRS is available. (CVE-2020-10767)

* kernel: Indirect branch speculation can be enabled after it was force-disabled by the PR_SPEC_FORCE_DISABLE prctl command. (CVE-2020-10768)

* kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)

* kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)

* Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario (CVE-2020-12888)

* kernel: kvm: Information leak within a KVM guest (CVE-2019-3016)

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):

* [FJ8.2 Bug]: kernel: retrieving process core dump of the init process (PID 1) fails (BZ#1821378)

* [FJ8.0 Bug]: System hungs up after setting parameters for hugepages (BZ#1835789)

* RHEL8.2 Alpha - ISST-LTE:PowerVM: vNIC DLPAR crashes the LPAR (ibmvnic) (BZ#1836229)

* [sig-network] Services should be rejected when no endpoints exist test fails frequently on RHEL8 nodes (BZ#1836302)

* RHEL8.2 Beta - RHEL8.2 reports EEH errors on internal SAS adapter during HTX run on PMEM (SCM/pmem) (BZ#1842406)

* RHEL8.1 - s390/cio: fix virtio-ccw DMA without PV (BZ#1842620)

* deadlock between modprobe and netns exit (BZ#1845164)

* exit_boot failed when install RHEL8.1 (BZ#1846180)

* http request is taking more time for endpoint running on different host via nodeport service (BZ#1847128)

* RHEL8.1 - zEDC problems on z14 (genwqe/pci) (BZ#1847453)

* WARNING: CPU: 1 PID: 0 at arch/x86/kernel/apic/vector.c:846 free_moved_vector+0x141/0x150 (BZ#1848545)

* Backport conntrack race condition fixes (BZ#1851003)

* nf_conntrack module unload fail and refcount become to negative (BZ#1851005)

* OVS: backport performance patches from upstream to 8.2z (BZ#1851235)

* RHEL8.3: backport smp: Allow smp_call_function_single_async() to insert locked csd (BZ#1851406)

* [DELL EMC 8.2 BUG] NVMe drive is not detected after multiple hotplug (hot add + surprise remove) operations (BZ#1852045)

Enhancement(s):

* [Mellanox 8.3 FEAT] mlx5: drivers update upto Linux v5.5 (BZ#1843544)

* [IBM 8.3 FEAT] Update nvme driver to latest level for POWER (BZ#1846405)

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

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

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?41b5544f

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2020:3010

https://bugzilla.redhat.com/show_bug.cgi?id=1786078

https://bugzilla.redhat.com/show_bug.cgi?id=1792167

https://bugzilla.redhat.com/show_bug.cgi?id=1831868

https://bugzilla.redhat.com/show_bug.cgi?id=1832530

https://bugzilla.redhat.com/show_bug.cgi?id=1836244

https://bugzilla.redhat.com/show_bug.cgi?id=1842525

https://bugzilla.redhat.com/show_bug.cgi?id=1845840

https://bugzilla.redhat.com/show_bug.cgi?id=1845867

https://bugzilla.redhat.com/show_bug.cgi?id=1845868

Plugin Details

Severity: High

ID: 138805

File Name: redhat-RHSA-2020-3010.nasl

Version: 1.10

Type: local

Agent: unix

Published: 7/21/2020

Updated: 6/4/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2019-19807

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

CVSS Score Source: CVE-2020-12653

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, 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-cross-headers, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:python3-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: 7/21/2020

Vulnerability Publication Date: 12/15/2019

Reference Information

CVE: CVE-2019-19807, CVE-2019-3016, CVE-2020-10757, CVE-2020-10766, CVE-2020-10767, CVE-2020-10768, CVE-2020-12653, CVE-2020-12654, CVE-2020-12888

CWE: 119, 120, 122, 200, 248, 416, 440

RHSA: 2020:3010