SB2013112010 - Memory leak in Linux kernel
Published: November 20, 2013 Updated: August 10, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2013-4592)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the __kvm_set_memory_region function in virt/kvm/kvm_main.c in the Linux kernel before 3.9 allows local users to cause a denial of service (memory consumption) by leveraging certain device access to trigger movement of memory slots. A remote attacker can perform a denial of service attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=12d6e7538e2d418c08f082b1b44ffa5fb7270ed8
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e40f193f5bb022e927a57a4f5d5194e4f12ddb74
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html
- http://rhn.redhat.com/errata/RHSA-2013-1645.html
- http://www.openwall.com/lists/oss-security/2013/11/18/3
- http://www.ubuntu.com/usn/USN-2066-1
- http://www.ubuntu.com/usn/USN-2067-1
- http://www.ubuntu.com/usn/USN-2111-1
- http://www.ubuntu.com/usn/USN-2112-1
- http://www.ubuntu.com/usn/USN-2114-1
- http://www.ubuntu.com/usn/USN-2115-1
- http://www.ubuntu.com/usn/USN-2116-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1031702
- https://github.com/torvalds/linux/commit/12d6e7538e2d418c08f082b1b44ffa5fb7270ed8
- https://github.com/torvalds/linux/commit/e40f193f5bb022e927a57a4f5d5194e4f12ddb74
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.9.bz2