MitreCVELIST:CVE-2014-4699CVE-2014-4699
The Linux kernel before 3.15.4 on Intel processors does not properly restrict use of a non-canonical value for the saved RIP address in the case of a system call that does not use IRET, which allows local users to leverage a race condition and gain privileges, or cause a denial of service (double fault), via a crafted application that makes ptrace and fork system calls.
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b9cd18de4db3c9ffa7e17b0dc0ca99ed5aa4d43a
linux.oracle.com/errata/ELSA-2014-0924.html
linux.oracle.com/errata/ELSA-2014-3047.html
linux.oracle.com/errata/ELSA-2014-3048.html
openwall.com/lists/oss-security/2014/07/05/4
openwall.com/lists/oss-security/2014/07/08/16
openwall.com/lists/oss-security/2014/07/08/5
packetstormsecurity.com/files/127573/Linux-Kernel-ptrace-sysret-Local-Privilege-Escalation.html
secunia.com/advisories/59633
secunia.com/advisories/59639
secunia.com/advisories/59654
secunia.com/advisories/60220
secunia.com/advisories/60380
secunia.com/advisories/60393
www.debian.org/security/2014/dsa-2972
www.exploit-db.com/exploits/34134
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.4
www.openwall.com/lists/oss-security/2014/07/04/4
www.osvdb.org/108754
www.ubuntu.com/usn/USN-2266-1
www.ubuntu.com/usn/USN-2267-1
www.ubuntu.com/usn/USN-2268-1
www.ubuntu.com/usn/USN-2269-1
www.ubuntu.com/usn/USN-2270-1
www.ubuntu.com/usn/USN-2271-1
www.ubuntu.com/usn/USN-2272-1
www.ubuntu.com/usn/USN-2273-1
www.ubuntu.com/usn/USN-2274-1
bugzilla.redhat.com/show_bug.cgi?id=1115927
github.com/torvalds/linux/commit/b9cd18de4db3c9ffa7e17b0dc0ca99ed5aa4d43a
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.10.47
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.11
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.97
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