CVE-2014-9585
LOW severity · CVSS 2.1
2.1CVSS LOW
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:N/I:P/A:N
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/luto/linux.git%3Ba=commit%3Bh=bc3b94c31d65e761ddfe150d02932c65971b74e2
- http://git.kernel.org/?p=linux/kernel/git/tip/tip.git%3Ba=commit%3Bh=fbe1bf140671619508dfa575d74a185ae53c5dbb
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/148480.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00035.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.htmlAdvisory