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Test ID:1.3.6.1.4.1.25623.1.0.71928
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2010:0705
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2010:0705.

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issue:

* The compat_alloc_user_space() function in the Linux kernel 32/64-bit
compatibility layer implementation was missing sanity checks. This function
could be abused in other areas of the Linux kernel if its length argument
can be controlled from user-space. On 64-bit systems, a local, unprivileged
user could use this flaw to escalate their privileges. (CVE-2010-3081,
Important)

Red Hat would like to thank Ben Hawkes for reporting this issue.

Red Hat is aware that a public exploit for this issue is available. Refer
to Knowledgebase article DOC-40265 for further details:
https://access.redhat.com/kb/docs/DOC-40265

Users should upgrade to these updated packages, which contain a backported
patch to correct this issue. The system must be rebooted for this update to
take effect.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2010-0705.html
http://www.redhat.com/security/updates/classification/#important

Risk factor : High

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-3081
Bugtraq: 20101130 VMSA-2010-0017 VMware ESX third party update for Service Console kerne (Google Search)
http://www.securityfocus.com/archive/1/514938/30/30/threaded
Bugtraq: 20110211 VMSA-2011-0003 Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX (Google Search)
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://archives.neohapsis.com/archives/fulldisclosure/2010-09/0273.html
http://archives.neohapsis.com/archives/fulldisclosure/2010-09/0278.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://www.mandriva.com/security/advisories?name=MDVSA-2010:214
http://www.mandriva.com/security/advisories?name=MDVSA-2010:247
http://blog.ksplice.com/2010/09/cve-2010-3081/
http://isc.sans.edu/diary.html?storyid=9574
http://sota.gen.nz/compat1/
http://marc.info/?l=oss-security&m=128461522230211&w=2
http://www.redhat.com/support/errata/RHSA-2010-0758.html
http://www.redhat.com/support/errata/RHSA-2010-0842.html
http://www.redhat.com/support/errata/RHSA-2010-0882.html
http://secunia.com/advisories/42384
http://secunia.com/advisories/43315
SuSE Security Announcement: SUSE-SA:2010:050 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html
SuSE Security Announcement: SUSE-SA:2011:007 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
SuSE Security Announcement: SUSE-SR:2010:017 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00006.html
http://www.vupen.com/english/advisories/2010/3083
http://www.vupen.com/english/advisories/2010/3117
http://www.vupen.com/english/advisories/2011/0298
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