CVE-2014-9585

 

Published at: - 09-01-2015 10:59

Last modified: - 21-09-2022 08:44

Total changes: - 3

Description

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.

Common Vulnerability Scoring System (CVSS)

AV:L/AC:L/Au:N/C:N/I:P/A:N

 

Verification logic

 

Reference

• http://git.kernel.org/?p=linux/kernel/git/tip/tip.git;a=commit;h=fbe1bf140671619508dfa575d74a185ae53c5dbb
• [oss-security] 20150109 Re: PIE bypass using VDSO ASLR weakness - Linux kernel-Mailing List, Third Party Advisory
• [oss-security] 20141209 PIE bypass using VDSO ASLR weakness-Exploit, Mailing List, Third Party Advisory
• http://git.kernel.org/?p=linux/kernel/git/luto/linux.git;a=commit;h=bc3b94c31d65e761ddfe150d02932c65971b74e2
• http://v0ids3curity.blogspot.in/2014/12/return-to-vdso-using-elf-auxiliary.html
• USN-2518-1-Third Party Advisory
• USN-2515-1-Third Party Advisory
• USN-2516-1-Third Party Advisory
• USN-2517-1-Third Party Advisory
• SUSE-SU-2015:0178-Mailing List, Third Party Advisory
• USN-2514-1-Third Party Advisory
• USN-2513-1-Third Party Advisory
• SUSE-SU-2015:0481-Mailing List, Third Party Advisory
• DSA-3170-Third Party Advisory
• MDVSA-2015:058-Third Party Advisory
• openSUSE-SU-2015:0566-Mailing List, Third Party Advisory
• SUSE-SU-2015:0652-Mailing List, Third Party Advisory
• FEDORA-2015-0937-Mailing List, Third Party Advisory
• SUSE-SU-2015:0736-Mailing List, Third Party Advisory
• RHSA-2015:1787-Third Party Advisory
• RHSA-2015:1778-Third Party Advisory
• 71990-Third Party Advisory, VDB Entry
• openSUSE-SU-2015:0714-Mailing List, Third Party Advisory
• RHSA-2015:1081-Third Party Advisory

 

Keywords

NVD

 

CVE-2014-9585

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures