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

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 linux-lts-backport-natty

SECUNIA ADVISORY ID:
SA48306

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/48306/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=48306

RELEASE DATE:
2012-03-07

DISCUSS ADVISORY:
http://secunia.com/advisories/48306/#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/48306/

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=48306

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-lts-backport-natty. This fixes
multiple vulnerabilities, which can be exploited by malicious, local
users to cause a DoS (Denial of Service) and potentially gain
escalated privileges, by malicious, local users in a guest virtual
machine to cause a DoS (Denial of Service), and by malicious people
to cause a DoS (Denial of Service) and compromise a vulnerable
system.

For more information:
SA44625
SA45489
SA47293
SA47472
SA47486
SA47488
SA48155

1) An error in the "tomoyo_mount_acl()" function
(security/tomoyo/mount.c) due to not validating a device name can be
exploited to cause a kernel crash via a "mount()" call having a NULL
device name.

SOLUTION:
Apply updated packages.

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

ORIGINAL ADVISORY:
USN-1386-1:
http://www.ubuntu.com/usn/usn-1386-1/

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

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