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Vulnerability Intelligence

CVE-2016-1583

HIGH7.8

The ecryptfs_privileged_open function in fs/ecryptfs/kthread

Published Jun 27, 2016

Modified 1 years ago

No fix available

Details

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.

References

WEBhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2f36db71009304b3f0b95afacd8eba1f9f046b87 WEBhttp://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00027.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00044.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-06/msg00056.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00000.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00007.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00014.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00016.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00019.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00020.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00022.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00026.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00044.html ADVISORYhttp://lists.opensuse.org/opensuse-security-announce/2016-08/msg00055.html WEBhttp://packetstormsecurity.com/files/137560/Linux-ecryptfs-Stack-Overflow.html ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2124.html ADVISORYhttp://rhn.redhat.com/errata/RHSA-2016-2766.html ADVISORYhttp://www.debian.org/security/2016/dsa-3607 WEBhttp://www.openwall.com/lists/oss-security/2016/06/10/8 WEBhttp://www.openwall.com/lists/oss-security/2016/06/22/1 WEBhttp://www.securityfocus.com/bid/91157 WEBhttp://www.securitytracker.com/id/1036763 ADVISORYhttp://www.ubuntu.com/usn/USN-2996-1 ADVISORYhttp://www.ubuntu.com/usn/USN-2997-1 ADVISORYhttp://www.ubuntu.com/usn/USN-2998-1 ADVISORYhttp://www.ubuntu.com/usn/USN-2999-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3000-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3001-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3002-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3003-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3004-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3005-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3006-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3007-1 ADVISORYhttp://www.ubuntu.com/usn/USN-3008-1 ADVISORYhttps://access.redhat.com/errata/RHSA-2017:2760 WEBhttps://bugs.chromium.org/p/project-zero/issues/detail?id=836 WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1344721 WEBhttps://github.com/torvalds/linux/commit/2f36db71009304b3f0b95afacd8eba1f9f046b87 WEBhttps://github.com/torvalds/linux/commit/f0fe970df3838c202ef6c07a4c2b36838ef0a88b WEBhttps://github.com/torvalds/linux/commit/f5364c150aa645b3d7daa21b5c0b9feaa1c9cd6d ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2016-1583 DETECTIONhttps://www.exploit-db.com/exploits/39992/WEBhttps://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.3

CVSS Analysis

CVSS v3.1

7.8

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

7.8/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Ecosystems

Timeline

PublishedJun 27, 2016

ModifiedAug 5, 2024

CVE-2016-1583 | Mondoo Vulnerability Intelligence