Detections
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Oracle Linux 8 : kernel (ELSA-2019-1479)

high Nessus Plugin ID 127590

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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-2019-1479 advisory.

 - [net] tcp: enforce tcp_min_snd_mss in tcp_mtu_probing() (Florian Westphal) [1719922 1719923] {CVE-2019-11479}
 - [net] tcp: add tcp_min_snd_mss sysctl (Florian Westphal) [1719922 1719923] {CVE-2019-11479}
 - [net] tcp: tcp_fragment() should apply sane memory limits (Florian Westphal) [1719857 1719858] {CVE-2019-11478}
 - [net] tcp: limit payload size of sacked skbs (Florian Westphal) [1719602 1719603] {CVE-2019-11477}
 - [arm64] arm64/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [s390] s390/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [powerpc] powerpc/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [powerpc] powerpc/64: Disable the speculation barrier from the command line (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add 'mitigations=' support for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [kernel] cpu/speculation: Add 'mitigations=' cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Fix comment (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add SMT warning message (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation: Move arch_smt_update() call to after mitigation decisions (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add mds=full, nosmt cmdline option (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [documentation] Documentation: Add MDS vulnerability documentation (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [documentation] Documentation: Move L1TF to separate directory (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add mitigation mode VMWERV (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add sysfs reporting for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add mitigation control for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Conditionally clear CPU buffers on idle entry (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/kvm/vmx: Add MDS protection when L1D Flush is not active (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Clear CPU buffers on exit to user (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add mds_clear_cpu_buffers() (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [kvm] x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add BUG_MSBDS_ONLY (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation/mds: Add basic bug infrastructure for MDS (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation: Consolidate CPU whitelists (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/msr-index: Cleanup bit defines (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/speculation: Cast ~SPEC_CTRL_STIBP atomic value to int (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [x86] x86/cpu: Sanitize FAM6_ATOM naming (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091} file (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [tools] tools include: Adopt linux/bits.h (Josh Poimboeuf) [1698809 1698896 1699001 1705836 1690338 1690360 1690351 1705312] {CVE-2018-12130 CVE-2018-12127 CVE-2018-12126 CVE-2019-11091}
 - [mm] mm: enforce min addr even if capable() in expand_downwards() (Rafael Aquini) [1708829 1687667] {CVE-2019-9213}

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-2019-1479.html

Plugin Details

Severity: High

ID: 127590

File Name: oraclelinux_ELSA-2019-1479.nasl

Version: 1.11

Type: local

Agent: unix

Published: 8/12/2019

Updated: 11/1/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

CVSS Score Source: CVE-2019-11477

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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

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

CVSS Score Source: CVE-2019-11479

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/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/30/2019

Vulnerability Publication Date: 3/5/2019

Exploitable With

Metasploit (Reliable Datagram Sockets (RDS) rds_atomic_free_op NULL pointer dereference Privilege Escalation)

Reference Information

CVE: CVE-2019-11477, CVE-2019-11478, CVE-2019-11479, CVE-2019-9213

RHSA: 2019:1479