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Secunia Security Advisory 36759

Secunia Security Advisory 36759
Posted Sep 15, 2009
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Red Hat has issued an update for the kernel. This fixes some security issues and a vulnerability, which can be exploited by malicious, local users to bypass certain security restrictions, disclose potentially sensitive information, and cause a DoS (Denial of Service).

tags | advisory, denial of service, kernel, local
systems | linux, redhat
SHA-256 | fbee6b539b3e30266c2228b6015d5e3e6b0ebeba9adfb3ab8c163bd8a8d0ba67

Secunia Security Advisory 36759

Change Mirror Download
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Do you have VARM strategy implemented?

(Vulnerability Assessment Remediation Management)

If not, then implement it through the most reliable vulnerability
intelligence source on the market.

Implement it through Secunia.

For more information visit:
http://secunia.com/advisories/business_solutions/

Alternatively request a call from a Secunia representative today to
discuss how we can help you with our capabilities contact us at:
sales@secunia.com

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

TITLE:
Red Hat update for kernel

SECUNIA ADVISORY ID:
SA36759

VERIFY ADVISORY:
http://secunia.com/advisories/36759/

DESCRIPTION:
Red Hat has issued an update for the kernel. This fixes some security
issues and a vulnerability, which can be exploited by malicious, local
users to bypass certain security restrictions, disclose potentially
sensitive information, and cause a DoS (Denial of Service).

For more information:
SA35801
SA35983
SA36136

1) An incorrect permission check within the z90crypt driver can be
exploited to bypass intended security restrictions.

Successful exploitation requires that the attacker has an effective
user ID of 0.

SOLUTION:
Updated packages are available via Red Hat Network.
http://rhn.redhat.com

PROVIDED AND/OR DISCOVERED BY:
1) Solar Designer

ORIGINAL ADVISORY:
RHSA-2009-1438:
http://rhn.redhat.com/errata/RHSA-2009-1438.html

OTHER REFERENCES:
SA35801:
http://secunia.com/advisories/35801/

SA35983:
http://secunia.com/advisories/35983/

SA36136:
http://secunia.com/advisories/36136/

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

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:
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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