SB2016122814 - Buffer overflow in Linux kernel core
Published: December 28, 2016 Updated: June 5, 2024
Security Bulletin ID
SB2016122814
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2016-9793)
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.
Remediation
Install update from vendor's website.
References
- 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