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Bug 1420250 - (CVE-2014-9914) CVE-2014-9914 kernel: Race condition in the ip4_datagram_release_cb function
CVE-2014-9914 kernel: Race condition in the ip4_datagram_release_cb function
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20140610,repor...
: Security
Depends On: 1431936
Blocks: 1420251
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Reported: 2017-02-08 04:47 EST by Andrej Nemec
Modified: 2018-08-28 18:13 EDT (History)
32 users (show)

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Doc Text:
A 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.
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Description Andrej Nemec 2017-02-08 04:47:55 EST 
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 01:03:44 EDT 
Statement:

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