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Category:   OS (Linux)  >   Linux Kernel Vendors:   kernel.org
Linux Kernel tty Subsystem Use-After-Free Memory Error Lets Local Users Obtain Portions of Kernel Memory and Potentially Cause a Kernel Panic
SecurityTracker Alert ID:  1035695
SecurityTracker URL:  http://securitytracker.com/id/1035695
CVE Reference:   CVE-2016-0723   (Links to External Site)
Date:  Apr 27 2016
Impact:   Denial of service via local system, Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Linux kernel. A local user can cause denial of service conditions on the target system. A local user can obtain potentially sensitive information.

A local user can trigger a use-after-free memory error and race condition in the tty subsystem to obtain portions of kernel memory and potentially cause a kernel panic.

Impact:   A local user may be able to cause a kernel panic on the target system.

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

Solution:   The vendor has issued a source code fix, available at:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c17c861a357e9458001f021a7afa7aab9937439

Vendor URL:  www.kernel.org/ (Links to External Site)
Cause:   Access control error

Message History:   None.


 Source Message Contents



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