High severity7.8NVD Advisory· Published Dec 28, 2016· Updated May 6, 2026
CVE-2016-9793
CVE-2016-9793
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
12- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatchVendor Advisory
- www.openwall.com/lists/oss-security/2016/12/03/1nvdMailing ListPatchThird Party Advisory
- github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290nvdPatchVendor Advisory
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14nvdRelease NotesVendor Advisory
- www.securityfocus.com/bid/94655nvdThird Party AdvisoryVDB Entry
- www.securitytracker.com/id/1037968nvdThird Party AdvisoryVDB Entry
- access.redhat.com/errata/RHSA-2017:0931nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:0932nvdThird Party Advisory
- access.redhat.com/errata/RHSA-2017:0933nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793nvdThird Party Advisory
- source.android.com/security/bulletin/2017-03-01.htmlnvdThird Party Advisory
News mentions
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