Vulnerability CVE-2017-7533
Published: 2017-08-05

Description:
Race condition in the fsnotify implementation in the Linux kernel through 4.12.4 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that leverages simultaneous execution of the inotify_handle_event and vfs_rename functions.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Linux Kernel < 3.16.39 (Debian 8 x64) inotfiy Local Privilege Escalation
Jeremy Huang
20.03.2018

Type:

CWE-362

CVSS2 => (AV:L/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.9/10
10/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 References:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e
http://openwall.com/lists/oss-security/2017/08/03/2
http://www.debian.org/security/2017/dsa-3927
http://www.debian.org/security/2017/dsa-3945
http://www.securityfocus.com/bid/100123
http://www.securitytracker.com/id/1039075
https://access.redhat.com/errata/RHSA-2017:2473
https://access.redhat.com/errata/RHSA-2017:2585
https://access.redhat.com/errata/RHSA-2017:2669
https://access.redhat.com/errata/RHSA-2017:2770
https://access.redhat.com/errata/RHSA-2017:2869
https://bugzilla.redhat.com/show_bug.cgi?id=1468283
https://github.com/torvalds/linux/commit/49d31c2f389acfe83417083e1208422b4091cd9e
https://patchwork.kernel.org/patch/9755753/
https://patchwork.kernel.org/patch/9755757/
https://source.android.com/security/bulletin/2017-12-01
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1408967.html
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