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.
References (18)
Core 18
Core References
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2015/12/15/11
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2886-1
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2890-3
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/79428
Patch x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ccfd238e5a0e670d8178cf50180ea81ae09ae1
Various Sources x_refsource_misc
http://twitter.com/grsecurity/statuses/676744240802750464
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
Various Sources mailing-list
x_refsource_mlist
https://lkml.org/lkml/2015/12/14/252
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2890-2
Patch x_refsource_confirm
https://github.com/torvalds/linux/commit/09ccfd238e5a0e670d8178cf50180ea81ae09ae1
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1034549
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1292045
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2890-1
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2016/dsa-3434
Vendor Advisory vendor-advisory
x_refsource_ubuntu
http://www.ubuntu.com/usn/USN-2888-1
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
Scores
CVSS v3
2.3
EPSS
0.0049
EPSS Percentile
38.3%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
linux/linux_kernel
< 4.3.2
Published
Dec 28, 2015
Tracked Since
Feb 18, 2026