CVE-2014-9419 | BDVDB-2026-66996 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147864.html
- http://www.ubuntu.com/usn/USN-2515-1
- https://github.com/torvalds/linux/commit/f647d7c155f069c1a068030255c300663516420e
- http://www.ubuntu.com/usn/USN-2542-1
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
- http://www.ubuntu.com/usn/USN-2541-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1177260
- http://www.ubuntu.com/usn/USN-2518-1
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147973.html
- http://www.securityfocus.com/bid/71794
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
- http://www.openwall.com/lists/oss-security/2014/12/25/1
- http://www.ubuntu.com/usn/USN-2517-1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f647d7c155f069c1a068030255c300663516420e
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.