Vulnerability DatabaseCVE-2014-9585
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CVE-2014-9585
January 09, 2015
The vdso_addr function in arch/x86/vdso/vma.c in the Linux kernel through 3.18.2 does not properly choose memory locations for the vDSO area, which makes it easier for local users to bypass the ASLR protection mechanism by guessing a location at the end of a PMD.
Related Resources (27)
http://www.debian.org/security/2015/dsa-3170
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
http://www.ubuntu.com/usn/USN-2515-1
http://rhn.redhat.com/errata/RHSA-2015-1081.html
http://www.ubuntu.com/usn/USN-2518-1
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148480.html
http://git.kernel.org/?p=linux/kernel/git/tip/tip.git%3Ba=commit%3Bh=fbe1bf140671619508dfa575d74a185ae53c5dbb
http://www.openwall.com/lists/oss-security/2014/12/09/10
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://git.kernel.org/?p=linux/kernel/git/luto/linux.git%3Ba=commit%3Bh=bc3b94c31d65e761ddfe150d02932c65971b74e2
http://www.ubuntu.com/usn/USN-2513-1
http://rhn.redhat.com/errata/RHSA-2015-1778.html
https://access.redhat.com/security/cve/CVE-2014-9585
http://www.securityfocus.com/bid/71990
http://www.ubuntu.com/usn/USN-2517-1
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
http://www.ubuntu.com/usn/USN-2514-1
https://security-tracker.debian.org/tracker/CVE-2014-9585
http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
http://v0ids3curity.blogspot.in/2014/12/return-to-vdso-using-elf-auxiliary.html
http://rhn.redhat.com/errata/RHSA-2015-1787.html
http://www.ubuntu.com/usn/USN-2516-1
http://www.openwall.com/lists/oss-security/2015/01/09/8
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-9585
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
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CVSS v4
Base Score:
5.1
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
CVSS v2
Base Score:
2.1
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
EPSS
Base Score:
0.04