Input validation error in Linux kernel - CVE-2013-6376
Published: December 14, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42231
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-6376
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote #AU# to perform a denial of service (DoS) attack.
The recalculate_apic_map function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service (host OS crash) via a crafted ICR write operation in x2apic mode.
Affected software
Linux kernel
Ubuntu
linux-lts-raring (Ubuntu package)
linux (Ubuntu package)
linux-lts-saucy (Ubuntu package)
Ubuntu
linux-lts-raring (Ubuntu package)
linux (Ubuntu package)
linux-lts-saucy (Ubuntu package)
How to mitigate CVE-2013-6376
Install update from vendor's website.
linux-lts-raring (Ubuntu package) - update to 3.8.0-37.53~precise1
linux (Ubuntu package) - update to 3.11.0-17.31
linux-lts-saucy (Ubuntu package) - update to 3.11.0-17.31~precise1
linux (Ubuntu package) - update to 3.11.0-17.31
linux-lts-saucy (Ubuntu package) - update to 3.11.0-17.31~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=17d68b763f09a9ce824ae23eb62c9efc57b69271
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
- http://www.openwall.com/lists/oss-security/2013/12/12/12
- http://www.securityfocus.com/bid/64319
- http://www.ubuntu.com/usn/USN-2113-1
- http://www.ubuntu.com/usn/USN-2117-1
- http://www.ubuntu.com/usn/USN-2136-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1033106
- https://github.com/torvalds/linux/commit/17d68b763f09a9ce824ae23eb62c9efc57b69271