The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before...

Vulnerability Description

The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2def2ef2ae5f3990aabdbe8a755911902707d268
• http://www.ubuntu.com/usn/USN-2096-1
• https://github.com/saelo/cve-2014-0038
• http://www.ubuntu.com/usn/USN-2095-1
• http://pastebin.com/raw.php?i=DH3Lbg54
• https://code.google.com/p/chromium/issues/detail?id=338594
• http://www.ubuntu.com/usn/USN-2094-1
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:038
• http://secunia.com/advisories/56669
• http://www.securityfocus.com/bid/65255
• https://github.com/torvalds/linux/commit/2def2ef2ae5f3990aabdbe8a755911902707d268
• https://www.exploit-db.com/exploits/40503/
• http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.2
• https://bugzilla.redhat.com/show_bug.cgi?id=1060023
• http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
• http://www.exploit-db.com/exploits/31347
• http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
• http://www.exploit-db.com/exploits/31346
• http://www.openwall.com/lists/oss-security/2014/01/31/2