CVE-2015-3290

Description

arch/x86/entry/entry_64.S in the Linux kernel before 4.1.6 on the x86_64 platform improperly relies on espfix64 during nested NMI processing, which allows local users to gain privileges by triggering an NMI within a certain instruction window.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9b6e6a8334d56354853f9c255d1395c2ba570e0a

http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html

http://www.debian.org/security/2015/dsa-3313

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.6

http://www.openwall.com/lists/oss-security/2015/07/22/7

http://www.openwall.com/lists/oss-security/2015/08/04/8

http://www.securityfocus.com/bid/76004

http://www.ubuntu.com/usn/USN-2687-1

http://www.ubuntu.com/usn/USN-2688-1

http://www.ubuntu.com/usn/USN-2689-1

http://www.ubuntu.com/usn/USN-2690-1

http://www.ubuntu.com/usn/USN-2691-1

https://bugzilla.redhat.com/show_bug.cgi?id=1243465

https://github.com/torvalds/linux/commit/9b6e6a8334d56354853f9c255d1395c2ba570e0a

https://www.exploit-db.com/exploits/37722/

Details

Risk Information

CVSS v2