exploit the possibilities

Secunia Security Advisory 51470

Secunia Security Advisory 51470
Posted Dec 5, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Ubuntu has issued an update for linux-ec2. This fixes a weakness, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

tags | advisory, denial of service, local
systems | linux, ubuntu
MD5 | a543262ee58142fe5a0fb52b2324411b

Secunia Security Advisory 51470

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Ubuntu update for linux-ec2

SECUNIA ADVISORY ID:
SA51470

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51470/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51470

RELEASE DATE:
2012-12-05

DISCUSS ADVISORY:
http://secunia.com/advisories/51470/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/51470/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=51470

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Ubuntu has issued an update for linux-ec2. This fixes a weakness,
which can be exploited by malicious, local users to cause a DoS
(Denial of Service).

The weakness is caused due to a divide-by-zero error within the
"tcp_illinois_info()" function (net/ipv4/tcp_illinois.c) when reading
TCP stats and can be exploited to cause a kernel oops.

SOLUTION:
Apply updated packages.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Rodrigo Freire, Red Hat.

ORIGINAL ADVISORY:
USN-1653-1:
http://www.ubuntu.com/usn/usn-1653-1/

http://thread.gmane.org/gmane.linux.network/247871

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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