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Oracle Linux 8 : kernel (ELSA-2019-1167)

medium Nessus Plugin ID 127583

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-1167 advisory.

 - [arm64] arm64/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [s390] s390/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [powerpc] powerpc/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [powerpc] powerpc/64: Disable the speculation barrier from the command line (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add 'mitigations=' support for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [kernel] cpu/speculation: Add 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Fix comment (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add SMT warning message (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation: Move arch_smt_update() call to after mitigation decisions (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add mds=full, nosmt cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [documentation] Documentation: Add MDS vulnerability documentation (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [documentation] Documentation: Move L1TF to separate directory (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add mitigation mode VMWERV (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add sysfs reporting for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add mitigation control for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Conditionally clear CPU buffers on idle entry (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/kvm/vmx: Add MDS protection when L1D Flush is not active (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Clear CPU buffers on exit to user (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add mds_clear_cpu_buffers() (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [kvm] x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add BUG_MSBDS_ONLY (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation/mds: Add basic bug infrastructure for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation: Consolidate CPU whitelists (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/msr-index: Cleanup bit defines (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/speculation: Cast ~SPEC_CTRL_STIBP atomic value to int (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [x86] x86/cpu: Sanitize FAM6_ATOM naming (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126} file (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}
 - [tools] tools include: Adopt linux/bits.h (Josh Poimboeuf) [1698809 1698896 1699001 1690338 1690360 1690351] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126}

Tenable has extracted the preceding description block directly from the Oracle 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

https://linux.oracle.com/errata/ELSA-2019-1167.html

Plugin Details

Severity: Medium

ID: 127583

File Name: oraclelinux_ELSA-2019-1167.nasl

Version: 1.9

Type: local

Agent: unix

Published: 8/12/2019

Updated: 11/1/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

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

CVSS Score Source: CVE-2019-11091

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.1

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/30/2019

Vulnerability Publication Date: 5/7/2019

Reference Information

CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091

RHSA: 2019:1167