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Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4089)

high Nessus Plugin ID 109543

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2018-4089 advisory.

 - perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus Torvalds) [Orabug: 27947608] {CVE-2018-100199}
 - ALSA: usb-audio: Kill stray URB at exiting (Takashi Iwai) [Orabug: 27148281] {CVE-2017-16527}
 - HID: usbhid: fix out-of-bounds bug (Jaejoong Kim) [Orabug: 27207929] {CVE-2017-16533}
 - [media] cx231xx-cards: fix NULL-deref on missing association descriptor (Johan Hovold) [Orabug:
 27208072] {CVE-2017-16536}
 - net: cdc_ether: fix divide by 0 on bad descriptors (Bjorn Mork) [Orabug: 27215201] {CVE-2017-16649}
 - Bluetooth: bnep: bnep_add_connection() should verify that its dealing with l2cap socket (Al Viro) [Orabug: 27344793] {CVE-2017-15868}
 - Bluetooth: hidp: verify l2cap sockets (David Herrmann) [Orabug: 27344793] {CVE-2017-15868}
 - ALSA: pcm: prevent UAF in snd_pcm_info (Robb Glasser) [Orabug: 27344843] {CVE-2017-0861} {CVE-2017-0861}
 - ptrace: use fsuid, fsgid, effective creds for fs access checks (Jann Horn) [Orabug: 27364691] {CVE-2017-14140}
 - sctp: do not peel off an assoc from one netns to another one (Xin Long) [Orabug: 27387001] {CVE-2017-15115}
 - Revert 'x86/spec_ctrl: Add 'nolfence' knob to disable fallback for spectre_v2 mitigation' (Ankur Arora) [Orabug: 27601787] {CVE-2017-5715}
 - Revert 'x86/spec: Add 'lfence_enabled' in sysfs' (Ankur Arora) [Orabug: 27601787] {CVE-2017-5715}
 - Revert 'x86/mitigation/spectre_v2: Add reporting of 'lfence'' (Ankur Arora) [Orabug: 27601787] {CVE-2017-5715}
 - x86/mitigation/spectre_v2: Add reporting of 'lfence' (Konrad Rzeszutek Wilk) {CVE-2017-5715}
 - x86/spec: Add 'lfence_enabled' in sysfs (Konrad Rzeszutek Wilk) {CVE-2017-5715}
 - x86/spec_ctrl: Add 'nolfence' knob to disable fallback for spectre_v2 mitigation (Konrad Rzeszutek Wilk) {CVE-2017-5715}
 - x86/spectre: bring spec_ctrl management logic closer to UEK4 (Ankur Arora) [Orabug: 27516512] {CVE-2017-5715}
 - x86/cpufeatures: Clean up Spectre v2 related CPUID flags (David Woodhouse) [Orabug: 27516357] {CVE-2017-5715}
 - x86/spectre_v2: Remove 0xc2 from spectre_bad_microcodes (Darren Kenny) [Orabug: 27516419] {CVE-2017-5715}
 - x86/cpufeature: Blacklist SPEC_CTRL/PRED_CMD on early Spectre v2 microcodes (David Woodhouse) [Orabug:
 27516419] {CVE-2017-5715}
 - x86/spectre: expose 'stibp' (Konrad Rzeszutek Wilk) [Orabug: 27516419] {CVE-2017-5715}
 - x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support (David Woodhouse) [Orabug:
 27516379] {CVE-2017-5715}
 - x86/speculation: Use Indirect Branch Prediction Barrier in context switch (Tim Chen) [Orabug: 27516379] {CVE-2017-5715}
 - x86/spectre: fix spectre_v1 mitigation indicators (Ankur Arora) [Orabug: 27509932] {CVE-2017-5715}
 - x86/ia32/syscall: Clear extended registers %r8-%r15 (Ankur Arora) [Orabug: 27452028] {CVE-2017-5715}
 - x86/ia32/syscall: Save full stack frame throughout the entry code (Ankur Arora) [Orabug: 27452028] {CVE-2017-5715}
 - x86/ia32/syscall: cleanup trailing whitespace (Ankur Arora) [Orabug: 27452028] {CVE-2017-5715}
 - x86/syscall: Clear callee saved registers (%r12-%r15, %rbp, %rbx) (Ankur Arora) [Orabug: 27452028] {CVE-2017-5715}

Tenable has extracted the preceding description block directly from the Oracle 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 affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2018-4089.html

Plugin Details

Severity: High

ID: 109543

File Name: oraclelinux_ELSA-2018-4089.nasl

Version: 1.15

Type: local

Agent: unix

Published: 5/3/2018

Updated: 10/23/2024

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

Risk Information

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2018-100199

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-debug-devel, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.20.6.el6uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, p-cpe:/a:oracle:linux:dtrace-modules-3.8.13-118.20.6.el7uek, p-cpe:/a:oracle:linux:kernel-uek, cpe:/o:oracle:linux:6

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/2/2018

Vulnerability Publication Date: 5/2/2018

Reference Information

CVE: CVE-2018-100199

IAVA: 2018-A-0020