SB2013121405 - Input validation error in Linux kernel
Published: December 14, 2013 Updated: August 10, 2020
Security Bulletin ID
SB2013121405
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2013-4587)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
Array index error in the kvm_vm_ioctl_create_vcpu function in virt/kvm/kvm_main.c in the KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges via a large id value.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=338c7dbadd2671189cec7faf64c84d01071b3f96
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html
- http://www.openwall.com/lists/oss-security/2013/12/12/12
- http://www.ubuntu.com/usn/USN-2109-1
- http://www.ubuntu.com/usn/USN-2110-1
- http://www.ubuntu.com/usn/USN-2113-1
- http://www.ubuntu.com/usn/USN-2117-1
- http://www.ubuntu.com/usn/USN-2128-1
- http://www.ubuntu.com/usn/USN-2129-1
- http://www.ubuntu.com/usn/USN-2135-1
- http://www.ubuntu.com/usn/USN-2136-1
- http://www.ubuntu.com/usn/USN-2138-1
- http://www.ubuntu.com/usn/USN-2139-1
- http://www.ubuntu.com/usn/USN-2141-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1030986
- https://github.com/torvalds/linux/commit/338c7dbadd2671189cec7faf64c84d01071b3f96
- https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.54