SecurityTracker.com
    Home    |    View Topics    |    Search    |    Contact Us    |   

SecurityTracker
Archives


 


Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
(Oracle Issues Fix for Oracle Linux) Linux Kernel ACPI Driver Bug Lets Local Users Obtain Potentially Sensitive Information and Bypass ASLR
SecurityTracker Alert ID:  1041442
SecurityTracker URL:  http://securitytracker.com/id/1041442
CVE Reference:   CVE-2018-5750   (Links to External Site)
Date:  Aug 10 2018
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Oracle Linux 7
Description:   A vulnerability was reported in the Linux kernel. A local user can obtain potentially sensitive information. A local user can bypass security restrictions.

A local user can submit a specially crafted SBS HC printk system call to trigger a flaw in the acpi_smbus_hc_add() function in 'drivers/acpi/sbshc.c' and obtain potentially sensitive address information and potentially bypass kernel address space layout randomization (KASLR) security protection on the target system.

Impact:   A local user can obtain potentially sensitive information on the target system.

A local user can bypass security controls on the target system.

Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2018-4193.html

Vendor URL:  linux.oracle.com/errata/ELSA-2018-4193.html (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Feb 2 2018 Linux Kernel ACPI Driver Bug Lets Local Users Obtain Potentially Sensitive Information and Bypass ASLR



 Source Message Contents

Subject:  [El-errata] ELSA-2018-4193 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

Oracle Linux Security Advisory ELSA-2018-4193

http://linux.oracle.com/errata/ELSA-2018-4193.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
kernel-uek-firmware-3.8.13-118.23.1.el7uek.noarch.rpm
kernel-uek-doc-3.8.13-118.23.1.el7uek.noarch.rpm
kernel-uek-3.8.13-118.23.1.el7uek.x86_64.rpm
kernel-uek-devel-3.8.13-118.23.1.el7uek.x86_64.rpm
kernel-uek-debug-devel-3.8.13-118.23.1.el7uek.x86_64.rpm
kernel-uek-debug-3.8.13-118.23.1.el7uek.x86_64.rpm
dtrace-modules-3.8.13-118.23.1.el7uek-0.4.5-3.el7.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-uek-3.8.13-118.23.1.el7uek.src.rpm
http://oss.oracle.com/ol7/SRPMS-updates/dtrace-modules-3.8.13-118.23.1.el7uek-0.4.5-3.el7.src.rpm



Description of changes:

kernel-uek
[3.8.13-118.23.1.el7uek]
- xen/blkback: free requests on disconnection (Dongli Zhang)  [Orabug: 
22111941]
- RDS: null pointer dereference in rds_atomic_free_op (Mohamed Ghannam) 
[Orabug: 27986376]  {CVE-2018-5333}
- ACPI: sbshc: remove raw pointer from printk() message (Greg 
Kroah-Hartman)  [Orabug: 27986392]  {CVE-2018-5750}
- futex: Prevent overflow by strengthen input validation (Li Jinyue) 
[Orabug: 27986395]  {CVE-2018-6927}

_______________________________________________
El-errata mailing list
El-errata@oss.oracle.com
https://oss.oracle.com/mailman/listinfo/el-errata
 
 


Go to the Top of This SecurityTracker Archive Page





Home   |    View Topics   |    Search   |    Contact Us

This web site uses cookies for web analytics. Learn More

Copyright 2019, SecurityGlobal.net LLC