SB2015101906 - Resource management errors in Linux kernel vhost driver
Published: October 19, 2015
Security Bulletin ID
SB2015101906
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource management errors (CVE-ID: CVE-2015-6252)
CWE-ID: CWE-399 - Resource Management Errors
CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform service disruption.
The vulnerability exists due to resource management errors error within the vhost_dev_ioctl() function in drivers/vhost/vhost.c. A local user can perform service disruption.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7932c0bd7740f4cd2aa168d3ce0199e7af7d72d5
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://www.debian.org/security/2015/dsa-3364
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.5
- http://www.openwall.com/lists/oss-security/2015/08/18/3
- http://www.securityfocus.com/bid/76400
- http://www.securitytracker.com/id/1033666
- http://www.ubuntu.com/usn/USN-2748-1
- http://www.ubuntu.com/usn/USN-2749-1
- http://www.ubuntu.com/usn/USN-2751-1
- http://www.ubuntu.com/usn/USN-2752-1
- http://www.ubuntu.com/usn/USN-2759-1
- http://www.ubuntu.com/usn/USN-2760-1
- http://www.ubuntu.com/usn/USN-2777-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1251839
- https://github.com/torvalds/linux/commit/7932c0bd7740f4cd2aa168d3ce0199e7af7d72d5