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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
(Ubuntu Issues Fix) Linux Kernel ACPI Driver Bug Lets Local Users Obtain Potentially Sensitive Information and Bypass ASLR
SecurityTracker Alert ID:  1041214
SecurityTracker URL:  http://securitytracker.com/id/1041214
CVE Reference:   CVE-2018-5750   (Links to External Site)
Date:  Jul 3 2018
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Ubuntu 17.10
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:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://usn.ubuntu.com/usn/usn-3697-1

Vendor URL:  usn.ubuntu.com/usn/usn-3697-1 (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



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