Bug 1314331 (CVE-2015-1339)

Summary: CVE-2015-1339 kernel: Memory exhaustion via CUSE driver
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED NOTABUG QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: agordeev, aquini, arm-mgr, bhu, dhoward, esammons, fhrbata, gansalmon, iboverma, itamar, jforbes, jkacur, joelsmith, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, kstutsma, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, nmurray, pholasek, plougher, rt-maint, rvrbovsk, slawomir, vdronov, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kernel 4.4 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2016-04-05 08:38:48 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On: 1314332    
Bug Blocks: 1314333    

Description Adam Mariš 2016-03-03 12:24:48 UTC
Kernel memory leak in the CUSE driver using stress-ng was found. It is possible for privileged attacker to cause a local DoS via memory exhaustion by repeatedly opening /dev/cuse for reading.

Upstream patch:

https://git.kernel.org/linus/2c5816b4beccc8ba709144539f6fdd764f8fa49c

References:

https://bugzilla.novell.com/show_bug.cgi?id=969356

http://seclists.org/oss-sec/2016/q1/495

Comment 1 Adam Mariš 2016-03-03 12:25:35 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1314332]

Comment 3 Vladis Dronov 2016-04-05 08:38:48 UTC
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the code with the flaw is not present in the products listed.