CVE-2017-7533

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Summary

CVECVE-2017-7533
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-08-05 16:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionRace 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.

Risk And Classification

Primary CVSS: v3.1 7 HIGH from [email protected]

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

Problem Types: CWE-362 | race condition

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary6.9AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:M/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Linux Kernel Through 4.12.4 affected Linux kernel through 4.12.4 Not specified

References

ReferenceSourceLinkTags
oss-security - Re: linux-distros membership application - Microsoft af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
dentry name snapshots · torvalds/linux@49d31c2 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Issue Tracking, Patch, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Debian -- Security Information -- DSA-3945-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
oss-security - Re: linux-distros membership application - Microsoft af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
oss-security - [CVE-2017-7533] kernel: inotify: a race between inotify_handle_event() and sys_rename() af854a3a-2127-422b-91ae-364da2661108 openwall.com Mailing List, Patch, Third Party Advisory
oss-security - Re: linux-distros membership application - Microsoft af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
1468283 – (CVE-2017-7533) CVE-2017-7533 kernel: a race between inotify_handle_event() and sys_rename() af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
Linux Kernel Race Condition in inotify_handle_event() and vfs_rename() Lets Local Users Gain Elevated Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
[PATCH 0/2] fsnotify: fix mem overwritten af854a3a-2127-422b-91ae-364da2661108 www.mail-archive.com Third Party Advisory
Debian -- Security Information -- DSA-3927-1 linux af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
[2/2] fsnotify: use method copy_dname copying filename - Patchwork af854a3a-2127-422b-91ae-364da2661108 patchwork.kernel.org Issue Tracking, Patch, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Android Security Bulletin—December 2017  |  Android Open Source Project af854a3a-2127-422b-91ae-364da2661108 source.android.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Issue Tracking, Patch, Third Party Advisory
Linux Kernel CVE-2017-7533 Local Race Condition Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
[1/2] fs/dcache.c: New copy_dname method - Patchwork af854a3a-2127-422b-91ae-364da2661108 patchwork.kernel.org Issue Tracking, Patch, Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 access.redhat.com Third Party Advisory
CVE-2017-7533 - Red Hat Customer Portal MITRE access.redhat.com
[PATCH 0/2] fsnotify: fix mem overwritten MITRE www.mail-archive.com
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