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Bug 108571 - CAN-2003-0858 Netlink local DoS: zebra
CAN-2003-0858 Netlink local DoS: zebra
Product: Red Hat Enterprise Linux 2.1
Classification: Red Hat
Component: zebra (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Jay Fenlason
: Security
Depends On:
  Show dependency treegraph
Reported: 2003-10-30 05:21 EST by Mark J. Cox
Modified: 2014-08-31 19:25 EDT (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
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Last Closed: 2003-11-24 11:31:03 EST
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RHEL 7.3 requirements from Atomic Host:
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Description Mark J. Cox 2003-10-30 05:21:59 EST
Herbert Xu discovered that a number of netlink applications do not
check the source address of incoming packets, assuming they are coming
from the kernel.  As any local user can send unicast netlink messages
to any process on the system, this can lead to a local denial of
service attack, or other local attacks.

Zebra in 2.1AS and 2.1AW is affected
Will add to RHSA-2003:305 errata in progress

Currently embargoed.
Comment 1 Mark J. Cox 2003-11-24 11:31:03 EST
was fixed by RHSA-2003:305

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