Bug 1519591 (CVE-2017-8824)

Summary: CVE-2017-8824 kernel: Use-after-free vulnerability in DCCP socket
Product: [Other] Security Response Reporter: Adam Mariš <amaris>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: airlied, ajax, aquini, bhu, blc, bskeggs, dhoward, dominik.mierzejewski, ewk, fhrbata, gmollett, hdegoede, hkrzesin, hwkernel-mgr, iboverma, ichavero, itamar, jarodwilson, jeremy, jforbes, jglisse, jkacur, john.j5live, jonathan, josef, jross, jwboyer, kent, kernel-maint, kernel-mgr, labbott, lgoncalv, linville, matt, mchehab, mcressma, mjg59, mlangsdo, mleitner, mshimura, nmurray, plougher, ppandit, rt-maint, rvrbovsk, sbrivio, security-response-team, skozina, slawomir, stephenkay, steved, vdronov, williams, wmealing, yozone
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: If docs needed, set a value
Doc Text:
A use-after-free vulnerability was found in DCCP socket code affecting the Linux kernel since 2.6.16. This vulnerability could allow an attacker to their escalate privileges.
Story Points: ---
Clone Of: Environment:
Last Closed: 2019-06-08 03:32:33 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: 1425382, 1425384, 1425386, 1520732, 1520764, 1520817, 1520818, 1526270, 1526271, 1526272, 1526273, 1526274, 1530740, 1530745, 1530746, 1530751, 1530752    
Bug Blocks: 1519592    

Description Adam Mariš 2017-12-01 00:54:06 UTC
Use-after-free vulnerability was found in DCCP socket code affecting kernel since at least 2.6.16, potentially allowing attacker to cause privilege escalation.

References:

http://www.openwall.com/lists/oss-security/2017/12/05/1
 
http://www.spinics.net/lists/netdev/msg469985.html

http://lists.openwall.net/netdev/2017/12/04/224

An upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=69c64866ce072dea1d1e59a0d61e0f66c0dffb76

Comment 1 Adam Mariš 2017-12-01 00:54:18 UTC
Acknowledgments:

Name: Mohamed Ghannam

Comment 5 Wade Mealing 2017-12-05 05:45:01 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1520764]

Comment 6 Wade Mealing 2017-12-05 09:00:52 UTC
Statement:

This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7, Red Hat Enterprise MRG 2 and real-time kernels. Future updates for the respective releases may address this issue.

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 7 for ARM and Red Hat Enterprise Linux 7 for Power LE.

Comment 21 errata-xmlrpc 2018-03-06 19:35:58 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.3 Extended Update Support

Via RHSA-2018:0399 https://access.redhat.com/errata/RHSA-2018:0399

Comment 22 errata-xmlrpc 2018-04-10 08:11:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:0676 https://access.redhat.com/errata/RHSA-2018:0676

Comment 23 errata-xmlrpc 2018-04-10 09:34:15 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:1062 https://access.redhat.com/errata/RHSA-2018:1062

Comment 24 errata-xmlrpc 2018-04-17 15:31:15 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise MRG 2

Via RHSA-2018:1170 https://access.redhat.com/errata/RHSA-2018:1170

Comment 25 errata-xmlrpc 2018-04-17 16:21:56 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.4 Extended Update Support

Via RHSA-2018:1130 https://access.redhat.com/errata/RHSA-2018:1130

Comment 26 errata-xmlrpc 2018-04-24 15:15:04 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.2 Advanced Update Support
  Red Hat Enterprise Linux 7.2 Update Services for SAP Solutions
  Red Hat Enterprise Linux 7.2 Telco Extended Update Support

Via RHSA-2018:1216 https://access.redhat.com/errata/RHSA-2018:1216

Comment 27 errata-xmlrpc 2018-05-08 18:59:09 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6

Via RHSA-2018:1319 https://access.redhat.com/errata/RHSA-2018:1319

Comment 28 errata-xmlrpc 2018-12-12 14:53:46 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 5 Extended Lifecycle Support

Via RHSA-2018:3822 https://access.redhat.com/errata/RHSA-2018:3822