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

high Nessus Plugin ID 137290
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VPR Score: 7.4


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: High

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

Risk Factor: High

VPR Score: 7.4

CVSS Score Source: CVE-2020-12659

CVSS v2.0

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

CVSS v3.0

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