Bug 1420250 (CVE-2014-9914) - CVE-2014-9914 kernel: Race condition in the ip4_datagram_release_cb function
Summary: CVE-2014-9914 kernel: Race condition in the ip4_datagram_release_cb function
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2014-9914
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1431936
Blocks: 1420251
TreeView+ depends on / blocked
 
Reported: 2017-02-08 09:47 UTC by Andrej Nemec
Modified: 2021-02-17 02:37 UTC (History)
30 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2019-06-08 03:07:15 UTC
Embargoed:

Attachments (Terms of Use)

Description Andrej Nemec 2017-02-08 09:47:55 UTC 
Race condition in the ip4_datagram_release_cb function in net/ipv4/datagram.c in the Linux kernel allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging incorrect expectations about locking during multithreaded access to internal data structures for IPv4 UDP sockets.

Upstream patch:

https://github.com/torvalds/linux/commit/9709674e68646cee5a24e3000b3558d25412203a
Comment 1 Wade Mealing 2017-03-14 05:03:44 UTC 
Statement:

This issue does not affect the Linux kernels as shipped with Red Hat Enterprise Linux and realtime kernels.
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