CVE-2014-9419

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Summary

CVECVE-2014-9419
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-12-26 00:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe __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.

Risk And Classification

Primary CVSS: v2.0 2.1 from [email protected]

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

Problem Types: CWE-200 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
oss-security - Re: CVE Request: Linux x86_64 userspace address leak af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
USN-2516-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[security-announce] SUSE-SU-2015:0529-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
[security-announce] openSUSE-SU-2015:0714-1: important: Security update af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com
[security-announce] SUSE-SU-2015:0736-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Bug 1177260 – CVE-2014-9419 kernel: partial ASLR bypass through TLS base addresses leak af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Vendor Advisory
USN-2542-1: Linux kernel (OMAP4) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-2518-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
[SECURITY] Fedora 21 Update: kernel-3.17.8-300.fc21 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
Debian -- Security Information -- DSA-3128-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org
Support / Security / Advisories / / MDVSA-2015:058 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
[SECURITY] Fedora 20 Update: kernel-3.17.8-200.fc20 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org
USN-2515-1: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-2541-1: Linux kernel vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
USN-2517-1: Linux kernel (Utopic HWE) vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
x86_64, switch_to(): Load TLS descriptors before switching DS and ES · torvalds/linux@f647d7c · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com
Linux Kernel CVE-2014-9419 Local Information Disclosure Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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