Memory leak in Linux kernel - CVE-2013-4592
Published: November 20, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42354
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-4592
CWE-ID: CWE-401
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 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.
How to mitigate CVE-2013-4592
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Sources
- 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