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

Become a PSI 3.0 beta tester!
Test-drive the new beta version and tell us what you think about its extended automatic update function and significantly enhanced user-interface.
Download it here!
http://secunia.com/psi_30_beta_launch

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

TITLE:
Ubuntu update for kernel

SECUNIA ADVISORY ID:
SA48544

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48544/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48544

RELEASE DATE:
2012-03-27

DISCUSS ADVISORY:
http://secunia.com/advisories/48544/#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/48544/

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=48544

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 the kernel. This fixes multiple
vulnerabilities, which can be exploited by malicious, local users and
malicious, local users in a guest virtual machine to cause a DoS
(Denial of Service) and gain escalated privileges and by malicious
people to cause a DoS (Denial of Service).

For more information:
SA47296
SA47431
SA47482
SA48547

1) The vulnerability is caused due to an error within the
"mem_cgroup_usage_unregister_event()" function when several events
are attached to an eventfd and can be exploited to cause a kernel
oops.

SOLUTION:
Apply updated packages.

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

ORIGINAL ADVISORY:
USN-1405-1:
http://www.ubuntu.com/usn/usn-1405-1

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.

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

Unsubscribe: Secunia Security Advisories
http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org

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