Bug 1519591 - (CVE-2017-8824) CVE-2017-8824 kernel: Use-after-free vulnerability in DCCP socket
CVE-2017-8824 kernel: Use-after-free vulnerability in DCCP socket
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
high Severity high
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Assigned To: Red Hat Product Security
impact=important,public=20171205:0543...
: Security
Depends On: 1425382 1520732 1520817 1520818 1526270 1526271 1526272 1526273 1526274 1530740 1530745 1530746 1425384 1425386 1520764 1530751 1530752
Blocks: 1519592
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Reported: 2017-11-30 19:54 EST by Adam Mariš
Modified: 2018-01-10 22:35 EST (History)
58 users (show)

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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.
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Description Adam Mariš 2017-11-30 19:54:06 EST
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 2017-11-30 19:54:18 EST
Acknowledgments:

Name: Mohamed Ghannam
Comment 5 Wade Mealing 2017-12-05 00:45:01 EST
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1520764]
Comment 6 Wade Mealing 2017-12-05 04:00:52 EST
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.

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