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Category:   OS (Linux)  >   systemd Vendors:   Freedesktop.org
systemd Automount State Processing Bug Lets Remote Users Deny Service
SecurityTracker Alert ID:  1041520
SecurityTracker URL:  http://securitytracker.com/id/1041520
CVE Reference:   CVE-2018-1049   (Links to External Site)
Updated:  Aug 20 2018
Original Entry Date:  Aug 20 2018
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in systemd. A remote user can cause denial of service conditions on the target system.

A remote user can exploit a race condition between '.mount' and '.automount' request processing to cause systemd to fail to service automount requests from the kernel. As a result, processes that attempt to use the mount will hang.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a source code fix [in May 2017], available at:

https://github.com/systemd/systemd/commit/e7d54bf58789545a9eb0b3964233defa0b007318

Vendor URL:  www.freedesktop.org/wiki/Software/systemd/ (Links to External Site)
Cause:   Access control error, State error

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 20 2018 (IBM Issues Fix for IBM Security Access Manager Appliance) systemd Automount State Processing Bug Lets Remote Users Deny Service
IBM has issued a fix for IBM Security Access Manager Appliance.



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