Bug 1447734 (CVE-2017-7487) - CVE-2017-7487 kernel: Reference counter leak in ipxitf_ioctl resulting into use after free
Summary: CVE-2017-7487 kernel: Reference counter leak in ipxitf_ioctl resulting into u...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2017-7487
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1450417
Blocks: 1447735
TreeView+ depends on / blocked
 
Reported: 2017-05-03 15:33 UTC by Adam Mariš
Modified: 2021-02-17 02:11 UTC (History)
21 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A reference counter leak in Linux kernel in ipxitf_ioctl function was found which results in a use after free vulnerability that's triggerable from unprivileged userspace when IPX interface is configured.
Clone Of:
Environment:
Last Closed: 2017-05-12 13:28:36 UTC
Embargoed:

Attachments (Terms of Use)

Description Adam Mariš 2017-05-03 15:33:43 UTC 
A reference counter leak in ipxitf_ioctl function was found which results into use after free vulnerability that's triggerable from unprivileged userspace when IPX interface is configured.

References:

http://seclists.org/oss-sec/2017/q2/251

https://patchwork.ozlabs.org/patch/757549/

Upstream patch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ee0d8d8482345ff97a75a7d747efc309f13b0d80
Comment 1 Adam Mariš 2017-05-03 15:33:55 UTC 
Acknowledgments:

Name: Li Qiang (Qihoo 360)
Comment 4 Vladis Dronov 2017-05-12 13:20:25 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1450417]
Comment 6 Eric Christensen 2017-05-16 12:29:42 UTC 
Statement:

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