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[SA23073] Linux Kernel "get_fdb_entries()" Integer Overflow Vulnerability
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TITLE:
Linux Kernel "get_fdb_entries()" Integer Overflow Vulnerability
SECUNIA ADVISORY ID:
SA23073
VERIFY ADVISORY:
link://[click]
CRITICAL:
Less critical
IMPACT:
Privilege escalation
WHERE:
Local system
OPERATING SYSTEM:
Linux Kernel 2.6.x
link://[click]
DESCRIPTION:
Eugene Teo has reported a vulnerability in the Linux Kernel, which
potentially can be exploited by malicious, local users to gain
escalated privileges.
The vulnerability is caused due to an integer overflow within the
"get_fdb_entries()" function in net/bridge/br_ioctl.c. This can be
exploited to cause a buffer overflow via specially crafted ioctl()
requests.
Successful exploitation may allow the execution of arbitrary code
with escalated privileges.
SOLUTION:
Update to version 2.6.18.4 or 2.6.19.
PROVIDED AND/OR DISCOVERED BY:
Reported by Eugene Teo, further research by a1rsupp1y.
ORIGINAL ADVISORY:
link://[click]
link://[click]
About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.
Subscribe:
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Definitions: (Criticality, Where etc.)
link://[click]
Please Note:
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clicking the link.
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Secunia does not advise people to install third party patches, only
use those supplied by the vendor.
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