National Vulnerability Database

National Vulnerability Database

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    Vulnerabilities Detail

CVE-2017-7533 Detail

Current 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.

Source:  MITRE
Description Last Modified:  08/07/2017
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.0 HIGH
Vector: AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.0

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.9 MEDIUM
Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.4

Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e Issue Tracking Patch Third Party Advisory
http://openwall.com/lists/oss-security/2017/08/03/2 Mailing List Patch Third Party Advisory
http://www.debian.org/security/2017/dsa-3927
http://www.debian.org/security/2017/dsa-3945
http://www.securityfocus.com/bid/100123 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039075 Third Party Advisory VDB Entry
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 Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/49d31c2f389acfe83417083e1208422b4091cd9e Issue Tracking Patch Third Party Advisory
https://patchwork.kernel.org/patch/9755753/ Issue Tracking Patch Third Party Advisory
https://patchwork.kernel.org/patch/9755757/ Issue Tracking Patch Third Party Advisory
https://source.android.com/security/bulletin/2017-12-01
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1408967.html Issue Tracking Patch Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

9 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7533
NVD Published Date:
08/05/2017
NVD Last Modified:
01/04/2018