CVE - CVE-2016-9793

CVE-ID
CVE-2016-9793	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUFFORCE or (2) SO_RCVBUFFORCE option.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BID:94655 URL:http://www.securityfocus.com/bid/94655 CONFIRM:http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290 CONFIRM:http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14 CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=1402013 CONFIRM:https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290 CONFIRM:https://source.android.com/security/bulletin/2017-03-01.html MISC:https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793 MLIST:[oss-security] 20161202 Re: CVE Request: Linux: signed overflows for SO_{SND\|RCV}BUFFORCE URL:http://www.openwall.com/lists/oss-security/2016/12/03/1 REDHAT:RHSA-2017:0931 URL:https://access.redhat.com/errata/RHSA-2017:0931 REDHAT:RHSA-2017:0932 URL:https://access.redhat.com/errata/RHSA-2017:0932 REDHAT:RHSA-2017:0933 URL:https://access.redhat.com/errata/RHSA-2017:0933 SECTRACK:1037968 URL:http://www.securitytracker.com/id/1037968
Assigning CNA
MITRE Corporation
Date Record Created
20161202	Disclaimer: The record 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 (20161202)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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