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.
Advisories
Source ID Title
Debian DLA Debian DLA DLA-772-1 linux security update
EUVD EUVD EUVD-2016-10594 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.
Ubuntu USN Ubuntu USN USN-3168-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3168-2 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3169-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3169-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3169-3 Linux kernel (Raspberry Pi 2) vulnerabilities
Ubuntu USN Ubuntu USN USN-3169-4 Linux kernel (Qualcomm Snapdragon) vulnerabilities
Ubuntu USN Ubuntu USN USN-3170-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3170-2 Linux kernel (Raspberry Pi 2) vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

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Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T02:59:03.525Z

Reserved: 2016-12-02T00:00:00

Link: CVE-2016-9793

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2016-12-28T07:59:00.557

Modified: 2025-04-12T10:46:40.837

Link: CVE-2016-9793

cve-icon Redhat

Severity : Moderate

Publid Date: 2016-12-02T00:00:00Z

Links: CVE-2016-9793 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses