Input validation error in Debian products - CVE-2014-9030
Published: November 24, 2014 / Updated: August 9, 2020
Vulnerability identifier: #VU41064
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-9030
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The do_mmu_update function in arch/x86/mm.c in Xen 3.2.x through 4.4.x does not properly manage page references, which allows remote domains to cause a denial of service by leveraging control over an HVM guest and a crafted MMU_MACHPHYS_UPDATE.
Affected software
Opensuse
Debian Linux
Gentoo Linux
SUSE Linux
Fedora
Xen
xen
Debian Linux
Gentoo Linux
SUSE Linux
Fedora
Xen
xen
How to mitigate CVE-2014-9030
Install update from vendor's website.
xen - addressed in versions 4.4.1-8.fc21, 4.4.1-9.fc21
External References
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
- http://secunia.com/advisories/62672
- http://www.debian.org/security/2015/dsa-3140
- http://www.securityfocus.com/bid/71207
- http://xenbits.xen.org/xsa/advisory-113.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/98853
- https://security.gentoo.org/glsa/201504-04