Resource management errors in Linux kernel - CVE-2012-1601
Published: May 17, 2012 / Updated: January 5, 2018
Vulnerability identifier: #VU92813
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2012-1601
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists.
How to mitigate CVE-2012-1601
Install update from vendor's repository.
Sources
- http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2012-0571.html
- http://rhn.redhat.com/errata/RHSA-2012-0676.html
- http://secunia.com/advisories/49928
- http://www.debian.org/security/2012/dsa-2469
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.3.6
- http://www.openwall.com/lists/oss-security/2012/03/30/1
- http://www.securitytracker.com/id?1026897
- https://bugzilla.redhat.com/show_bug.cgi?id=808199
- https://github.com/torvalds/linux/commit/9c895160d25a76c21b65bad141b08e8d4f99afef
- https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html