MitreCVELIST:CVE-2014-9419CVE-2014-9419
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.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f647d7c155f069c1a068030255c300663516420e
lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html
lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html
lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
rhn.redhat.com/errata/RHSA-2015-1081.html
www.debian.org/security/2015/dsa-3128
www.mandriva.com/security/advisories?name=MDVSA-2015:058
www.openwall.com/lists/oss-security/2014/12/25/1
www.securityfocus.com/bid/71794
www.ubuntu.com/usn/USN-2515-1
www.ubuntu.com/usn/USN-2516-1
www.ubuntu.com/usn/USN-2517-1
www.ubuntu.com/usn/USN-2518-1
www.ubuntu.com/usn/USN-2541-1
www.ubuntu.com/usn/USN-2542-1
bugzilla.redhat.com/show_bug.cgi?id=1177260
github.com/torvalds/linux/commit/f647d7c155f069c1a068030255c300663516420e
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