Bug 1436658

Summary: kernel: ping socket / AF_LLC connect() sin_family race
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED DUPLICATE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: agordeev, aquini, bhu, dhoward, esammons, fhrbata, gansalmon, hwkernel-mgr, iboverma, ichavero, itamar, jforbes, jkacur, jonathan, jross, jwboyer, kernel-maint, kernel-mgr, labbott, lgoncalv, lwang, madhu.chinakonda, matt, mchehab, mcressma, mguzik, nmurray, pholasek, plougher, rt-maint, rvrbovsk, williams
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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Clone Of: Environment:
Last Closed: 2017-03-28 12:06:34 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1436662, 1436663    
Bug Blocks: 1436660    

Description Adam Mariš 2017-03-28 11:59:20 UTC
Null pointer dereference vulnerability in ping_v4_unhash() in net/ipv4/ping.c on RHEL-7 was found.

PoC can be found here:

http://seclists.org/oss-sec/2017/q1/675

Proposed patch:

http://seclists.org/oss-sec/2017/q1/677

Comment 1 Adam Mariš 2017-03-28 12:04:33 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1436662]

Comment 2 Adam Mariš 2017-03-28 12:06:34 UTC

*** This bug has been marked as a duplicate of bug 1436649 ***