CVE-2016-1583
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.8%
The ecryptfs_privileged_open function in fs/ecryptfs/kthread.c in the Linux kernel before 4.6.3 allows local users to gain privileges or cause a denial of service (stack memory consumption) via vectors involving crafted mmap calls for /proc pathnames, leading to recursive pagefault handling.
Affected configurations
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f36db71009304b3f0b95afacd8eba1f9f046b87
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d
lists.opensuse.org/opensuse-security-announce/2016-06/msg00027.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html
packetstormsecurity.com/files/137560/Linux-ecryptfs-Stack-Overflow.html
rhn.redhat.com/errata/RHSA-2016-2124.html
rhn.redhat.com/errata/RHSA-2016-2766.html
www.debian.org/security/2016/dsa-3607
www.openwall.com/lists/oss-security/2016/06/10/8
www.openwall.com/lists/oss-security/2016/06/22/1
www.securityfocus.com/bid/91157
www.securitytracker.com/id/1036763
www.ubuntu.com/usn/USN-2996-1
www.ubuntu.com/usn/USN-2997-1
www.ubuntu.com/usn/USN-2998-1
www.ubuntu.com/usn/USN-2999-1
www.ubuntu.com/usn/USN-3000-1
www.ubuntu.com/usn/USN-3001-1
www.ubuntu.com/usn/USN-3002-1
www.ubuntu.com/usn/USN-3003-1
www.ubuntu.com/usn/USN-3004-1
www.ubuntu.com/usn/USN-3005-1
www.ubuntu.com/usn/USN-3006-1
www.ubuntu.com/usn/USN-3007-1
www.ubuntu.com/usn/USN-3008-1
access.redhat.com/errata/RHSA-2017:2760
bugs.chromium.org/p/project-zero/issues/detail?id=836
bugzilla.redhat.com/show_bug.cgi?id=1344721
github.com/torvalds/linux/commit/2f36db71009304b3f0b95afacd8eba1f9f046b87
github.com/torvalds/linux/commit/f0fe970df3838c202ef6c07a4c2b36838ef0a88b
github.com/torvalds/linux/commit/f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d
www.exploit-db.com/exploits/39992/
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3
Related
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.4 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
19.8%