SB2015072702 - NULL pointer dereference in Linux kernel x86 kvm
Published: July 27, 2015
Security Bulletin ID
SB2015072702
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2015-4692)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the arch/x86/kvm/lapic.h. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160829.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-June/161144.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html
- http://www.debian.org/security/2015/dsa-3329
- http://www.openwall.com/lists/oss-security/2015/06/21/1
- http://www.securityfocus.com/bid/75142
- http://www.securitytracker.com/id/1032798
- http://www.ubuntu.com/usn/USN-2680-1
- http://www.ubuntu.com/usn/USN-2681-1
- http://www.ubuntu.com/usn/USN-2682-1
- http://www.ubuntu.com/usn/USN-2683-1
- http://www.ubuntu.com/usn/USN-2684-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1230770
- https://github.com/torvalds/linux/commit/ce40cd3fc7fa40a6119e5fe6c0f2bc0eb4541009