CVE - CVE-2016-9644

CVE-ID
CVE-2016-9644	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The __get_user_asm_ex macro in arch/x86/include/asm/uaccess.h in the Linux kernel 4.4.22 through 4.4.28 contains extended asm statements that are incompatible with the exception table, which allows local users to obtain root access on non-SMEP platforms via a crafted application. NOTE: this vulnerability exists because of incorrect backporting of the CVE-2016-9178 patch to older kernels.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MLIST:[oss-security] 20161107 Re: Re: kernel: fix minor infoleak in get_user_ex() URL:http://www.openwall.com/lists/oss-security/2016/11/07/4 CONFIRM:https://lwn.net/Articles/705220/ UBUNTU:USN-3146-1 URL:http://www.ubuntu.com/usn/USN-3146-1 UBUNTU:USN-3146-2 URL:http://www.ubuntu.com/usn/USN-3146-2 BID:94545 URL:http://www.securityfocus.com/bid/94545
Assigning CNA
N/A
Date Entry Created
20161127	Disclaimer: The entry creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20161127)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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