soft lockups/OOM after unix socket fixes

2008.12.03

Credit: dann frazier

Risk: Low

Local: Yes

Remote: No

CVE: CVE-2008-5300

CWE: CWE-399

CVSS Base Score: 4.9/10

Impact Subscore: 6.9/10

Exploitability Subscore: 3.9/10

Exploit range: Local

Attack complexity: Low

Authentication: No required

Confidentiality impact: None

Integrity impact: None

Availability impact: Complete

hey,
 I'm noticing that if I run the unix.c program from <A NAME="-1"></A>[1] in a tight
loop on 2.6.28-rc5, I get frequent soft lockups. Eventually, the OOM
killer kicks in and starts taking out other processes.

 I've posted a console log here:
   http://free.linux.hp.com/~dannf/unix-soft-lockups.log

<A NAME="1"></A>[1] http://marc.info/?l=linux-netdev&m=122593044330973&w=2


--
dann frazier
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References:

https://bugzilla.redhat.com/show_bug.cgi?id=470201

http://marc.info/?l=linux-netdev&m=122765505415944&w=2

http://marc.info/?l=linux-netdev&m=122721862313564&w=2

See this note in RAW Version

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soft lockups/OOM after unix socket fixes

References:

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