Description
The (1) pptp_bind and (2) pptp_connect functions in drivers/net/ppp/pptp.c in the Linux kernel through 4.3.3 do not verify an address length, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.openwall.com/lists/oss-security/2015/12/15/11 ↗
- http://www.ubuntu.com/usn/USN-2886-1 ↗
- http://www.ubuntu.com/usn/USN-2890-3 ↗
- http://www.securityfocus.com/bid/79428 ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ccfd238e5a0e670d8178cf50180ea81ae09ae1 ↗
- http://twitter.com/grsecurity/statuses/676744240802750464 ↗
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html ↗
- https://lkml.org/lkml/2015/12/14/252 ↗
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html ↗
- http://www.ubuntu.com/usn/USN-2890-2 ↗
- https://github.com/torvalds/linux/commit/09ccfd238e5a0e670d8178cf50180ea81ae09ae1 ↗
- http://www.securitytracker.com/id/1034549 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1292045 ↗
- http://www.ubuntu.com/usn/USN-2890-1 ↗
- http://www.debian.org/security/2016/dsa-3434 ↗
- http://www.ubuntu.com/usn/USN-2888-1 ↗
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html ↗