National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-9419 Detail

Current Description

The __switch_to function in arch/x86/kernel/process_64.c in the Linux kernel through 3.18.1 does not ensure that Thread Local Storage (TLS) descriptors are loaded before proceeding with other steps, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application that reads a TLS base address.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f647d7c155f069c1a068030255c300663516420e
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
http://rhn.redhat.com/errata/RHSA-2015-1081.html
http://www.debian.org/security/2015/dsa-3128
http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
http://www.openwall.com/lists/oss-security/2014/12/25/1
http://www.securityfocus.com/bid/71794
http://www.ubuntu.com/usn/USN-2515-1
http://www.ubuntu.com/usn/USN-2516-1
http://www.ubuntu.com/usn/USN-2517-1
http://www.ubuntu.com/usn/USN-2518-1
http://www.ubuntu.com/usn/USN-2541-1
http://www.ubuntu.com/usn/USN-2542-1
https://bugzilla.redhat.com/show_bug.cgi?id=1177260 Vendor Advisory
https://github.com/torvalds/linux/commit/f647d7c155f069c1a068030255c300663516420e

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
3.18.1


Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-9419
NVD Published Date:
12/25/2014
NVD Last Modified:
01/04/2018