CVE-2017-7533

HIGH IN THE WILD

Linux Kernel <4.12.4 - Privilege Escalation

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC

by Jeremy Huang · clocallinux_x86-64

https://www.exploit-db.com/exploits/44302

View Code ZIP pw:eip

References (20)

[Issue Tracking, Patch, Third Party Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=49d31c2f389acfe83417083e1208422b4091cd9e

[Mailing List, Patch, Third Party Advisory] http://openwall.com/lists/oss-security/2017/08/03/2

[Third Party Advisory] http://www.debian.org/security/2017/dsa-3927

[Third Party Advisory] http://www.debian.org/security/2017/dsa-3945

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2019/06/27/7

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2019/06/28/1

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2019/06/28/2

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/100123

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1039075

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2473

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2585

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2669

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2770

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2017:2869

[Issue Tracking, Patch, Third Party Advisory] 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/

[Third Party Advisory] https://source.android.com/security/bulletin/2017-12-01

[Third Party Advisory] https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1408967.html

Scores

CVSS v3 7.0

EPSS 0.0942

EPSS Percentile 92.8%

Attack Vector LOCAL

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

Details

InTheWild.io 2017-08-01

CWE

CWE-362

Status published

Products (2)

linux/linux_kernel 3.14 - 3.16.47

n/a/Linux kernel through 4.12.4 Linux kernel through 4.12.4

Published Aug 05, 2017

Tracked Since Feb 18, 2026