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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
(Ubuntu Issues Fix) Linux Kernel Use-After-Free Memory Error in ipxitf_ioctl() Lets Local Users Cause Denial of Service Conditions on the Target System
SecurityTracker Alert ID:  1039239
SecurityTracker URL:  http://securitytracker.com/id/1039239
CVE Reference:   CVE-2017-7487   (Links to External Site)
Date:  Aug 29 2017
Impact:   Denial of service via local system
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Ubuntu 17.04
Description:   A vulnerability was reported in the Linux kernel. A local user can cause denial of service conditions on the target system.

On systems configured for IPX, a local user can trigger a user-after-free memory error in the ipxitf_ioctl() function in 'net/ipx/af_ipx.c' and cause the target system to crash.

Li Qiang (Qihoo 360) reported this vulnerability.

Impact:   A local user can cause denial of service conditions on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://www.ubuntu.com/usn/usn-3404-1

Vendor URL:  www.ubuntu.com/usn/usn-3404-1 (Links to External Site)
Cause:   Access control error

Message History:   This archive entry is a follow-up to the message listed below.
Aug 29 2017 Linux Kernel Use-After-Free Memory Error in ipxitf_ioctl() Lets Local Users Cause Denial of Service Conditions on the Target System



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