Buffer overflow in Linux kernel - CVE-2016-9793
Published: December 28, 2016 / Updated: June 5, 2024
Vulnerability identifier: #VU91211
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2016-9793
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to execute arbitrary code.
The vulnerability exists due to memory corruption within the sock_setsockopt() and max_t() functions in net/core/sock.c. A local user can execute arbitrary code.
How to mitigate CVE-2016-9793
Install update from vendor's website.
Sources
- https://github.com/torvalds/linux/commit/b98b0bc8c431e3ceb4b26b0dfc8db509518fb290
- https://bugzilla.redhat.com/show_bug.cgi?id=1402013
- http://www.openwall.com/lists/oss-security/2016/12/03/1
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.14
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b98b0bc8c431e3ceb4b26b0dfc8db509518fb290
- http://www.securityfocus.com/bid/94655
- https://source.android.com/security/bulletin/2017-03-01.html
- http://www.securitytracker.com/id/1037968
- https://github.com/xairy/kernel-exploits/tree/master/CVE-2016-9793
- https://access.redhat.com/errata/RHSA-2017:0933
- https://access.redhat.com/errata/RHSA-2017:0932
- https://access.redhat.com/errata/RHSA-2017:0931