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CVE
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CVE-2016-1583Date: (C)2016-08-25   (M)2018-06-17


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.8CVSS Score : 7.2
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 5.9Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: COMPLETE
Scope: UNCHANGEDIntegrity: COMPLETE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: HIGH 
Availability: HIGH 
  
Reference:
SECTRACK-1036763
EXPLOIT-DB-39992
BID-91157
DSA-3607
RHSA-2016:2124
RHSA-2016:2766
RHSA-2017:2760
SUSE-SU-2016:1596
SUSE-SU-2016:1672
SUSE-SU-2016:1696
SUSE-SU-2016:1937
SUSE-SU-2016:1961
SUSE-SU-2016:1985
SUSE-SU-2016:1994
SUSE-SU-2016:1995
SUSE-SU-2016:2000
SUSE-SU-2016:2002
SUSE-SU-2016:2005
SUSE-SU-2016:2006
SUSE-SU-2016:2007
SUSE-SU-2016:2009
SUSE-SU-2016:2010
SUSE-SU-2016:2014
SUSE-SU-2016:2105
USN-2996-1
USN-2997-1
USN-2998-1
USN-2999-1
USN-3000-1
USN-3001-1
USN-3002-1
USN-3003-1
USN-3004-1
USN-3005-1
USN-3006-1
USN-3007-1
USN-3008-1
http://www.openwall.com/lists/oss-security/2016/06/10/8
http://www.openwall.com/lists/oss-security/2016/06/22/1
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f36db71009304b3f0b95afacd8eba1f9f046b87
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d
http://packetstormsecurity.com/files/137560/Linux-ecryptfs-Stack-Overflow.html
https://bugs.chromium.org/p/project-zero/issues/detail?id=836
https://bugzilla.redhat.com/show_bug.cgi?id=1344721
https://github.com/torvalds/linux/commit/2f36db71009304b3f0b95afacd8eba1f9f046b87
https://github.com/torvalds/linux/commit/f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3
openSUSE-SU-2016:1641
openSUSE-SU-2016:2184

CPE    7
cpe:/o:novell:suse_linux_enterprise_desktop:12.0
cpe:/o:novell:suse_linux_enterprise_server:12.0
cpe:/o:canonical:ubuntu_linux:15.10
cpe:/o:canonical:ubuntu_linux:12.04::~~lts~~~
...
CWE    1
CWE-119
OVAL    41
oval:org.secpod.oval:def:703155
oval:org.secpod.oval:def:703162
oval:org.secpod.oval:def:703154
oval:org.secpod.oval:def:703163
...

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