CVE-2017-7533 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

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.openwall.com/lists/oss-security/2019/06/27/7 http://www.openwall.com/lists/oss-security/2019/06/28/1 http://www.openwall.com/lists/oss-security/2019/06/28/2 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

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.0