Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2020-5714)

medium Nessus Plugin ID 137290
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


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


Description of changes:

- x86/speculation: Add Ivy Bridge to affected list (Josh Poimboeuf) [Orabug: 31352779] {CVE-2020-0543}
- x86/speculation: Add SRBDS vulnerability and mitigation documentation (Mark Gross) [Orabug: 31352779] {CVE-2020-0543}
- x86/speculation: Add Special Register Buffer Data Sampling (SRBDS) mitigation (Mark Gross) [Orabug: 31352779] {CVE-2020-0543}
- x86/cpu: Add 'table' argument to cpu_matches() (Mark Gross) [Orabug: 31352779] {CVE-2020-0543}
- x86/cpu: Add a steppings field to struct x86_cpu_id (Mark Gross) [Orabug: 31352779] {CVE-2020-0543}
- x86/speculation/spectre_v2: Exclude Zhaoxin CPUs from SPECTRE_V2 (Tony W Wang-oc) [Orabug: 31352779] {CVE-2020-0543}

- USB: core: Fix free-while-in-use bug in the USB S-Glibrary (Alan Stern) [Orabug: 31350962] {CVE-2020-12464}
- mt76: fix array overflow on receiving too many fragments for a packet (Felix Fietkau) [Orabug: 31350952] {CVE-2020-12465}
- mwifiex: Fix possible buffer overflows in mwifiex_cmd_append_vsie_tlv() (Qing Xu) [Orabug: 31350929] {CVE-2020-12653}
- block, bfq: fix use-after-free in bfq_idle_slice_timer_body (Zhiqiang Liu) [Orabug: 31350910] {CVE-2020-12657}
- xsk: Add missing check on user-supplied headroom size (Magnus Karlsson) [Orabug: 31350732] {CVE-2020-12659}
- mwifiex: Fix possible buffer overflows in mwifiex_ret_wmm_get_status() (Qing Xu) [Orabug: 31350513] {CVE-2020-12654}
- xen/manage: enable C_A_D to force reboot (Dongli Zhang) [Orabug: 31387411]
- KVM: x86: Fixes posted interrupt check for IRQs delivery modes (Suravee Suthikulpanit) [Orabug: 31316437]
- Revert 'Revert 'nvme_fc: add module to ops template to allow module references'' (James Smart) [Orabug: 31377552]
- uek-rpm: Move grub boot menu update to posttrans stage. (Somasundaram Krishnasamy) [Orabug: 31358097]
- KVM: SVM: Fix potential memory leak in svm_cpu_init() (Miaohe Lin) [Orabug: 31350455] {CVE-2020-12768}

- intel_idle: Use ACPI _CST for processor models without C-state tables (Rafael J. Wysocki) [Orabug: 31332120]
- ACPI: processor: Export acpi_processor_evaluate_cst() (Rafael J. Wysocki) [Orabug: 31332120]
- ACPI: processor: Clean up acpi_processor_evaluate_cst() (Rafael J. Wysocki) [Orabug: 31332120]
- ACPI: processor: Introduce acpi_processor_evaluate_cst() (Rafael J. Wysocki) [Orabug: 31332120]
- ACPI: processor: Export function to claim _CST control (Rafael J. Wysocki) [Orabug: 31332120]
- rds: ib: Fix dysfunctional long address resolve timeout (H&aring kon Bugge) [Orabug: 31302704]
- KVM: x86: Revert 'KVM: X86: Fix fpu state crash in kvm guest' (Sean Christopherson) [Orabug: 31333676]
- KVM: x86: Ensure guest's FPU state is loaded when accessing for emulation (Sean Christopherson) [Orabug: 31333676]
- KVM: x86: Handle TIF_NEED_FPU_LOAD in kvm_{load,put}_guest_fpu() (Sean Christopherson) [Orabug: 31333676]
- net: dsa: Do not leave DSA master with NULL netdev_ops (Florian Fainelli) [Orabug: 30456791]
- Revert 'dsa: disable module unloading for ARM64' (Allen Pais) [Orabug: 30456791]

- NFSv4.0: nfs4_do_fsinfo() should not do implicit lease renewals (Robert Milkowski) [Orabug: 31304406]
- NFSv4: try lease recovery on NFS4ERR_EXPIRED (Robert Milkowski) [Orabug: 31304406]
- btrfs: Don't submit any btree write bio if the fs has errors (Qu Wenruo) [Orabug: 31265336] {CVE-2019-19377} {CVE-2019-19377}


Update the affected unbreakable enterprise kernel packages.

See Also

Plugin Details

Severity: Medium

ID: 137290

File Name: oraclelinux_ELSA-2020-5714.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/10/2020

Updated: 6/12/2020

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2020-12659


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

Temporal Vector: E:U/RL:OF/RC:C


Risk Factor: Medium

Base Score: 6.7

Temporal Score: 5.8

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-tools, cpe:/o:oracle:linux:7, cpe:/o:oracle:linux:8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/9/2020

Vulnerability Publication Date: 11/29/2019

Reference Information

CVE: CVE-2019-19377, CVE-2020-0543, CVE-2020-12464, CVE-2020-12465, CVE-2020-12653, CVE-2020-12654, CVE-2020-12657, CVE-2020-12659, CVE-2020-12768