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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2010:0474
The remote host is missing updates announced in
advisory RHSA-2010:0474.

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

Security fixes:

* a NULL pointer dereference flaw was found in the Linux kernel NFSv4
implementation. Several of the NFSv4 file locking functions failed to check
whether a file had been opened on the server before performing locking
operations on it. A local, unprivileged user on a system with an NFSv4
share mounted could possibly use this flaw to cause a kernel panic (denial
of service) or escalate their privileges. (CVE-2009-3726, Important)

* a flaw was found in the sctp_process_unk_param() function in the Linux
kernel Stream Control Transmission Protocol (SCTP) implementation. A remote
attacker could send a specially-crafted SCTP packet to an SCTP listening
port on a target system, causing a kernel panic (denial of service).
(CVE-2010-1173, Important)

* a race condition between finding a keyring by name and destroying a freed
keyring was found in the Linux kernel key management facility. A local,
unprivileged user could use this flaw to cause a kernel panic (denial of
service) or escalate their privileges. (CVE-2010-1437, Important)

Red Hat would like to thank Simon Vallet for responsibly reporting
and Jukka Taimisto and Olli Jarva of Codenomicon Ltd, Nokia
Siemens Networks, and Wind River on behalf of their customer, for
responsibly reporting CVE-2010-1173.

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

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

Risk factor : High

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2009-3726
BugTraq ID: 36936
Debian Security Information: DSA-2005 (Google Search)
SuSE Security Announcement: SUSE-SA:2009:056 (Google Search)
SuSE Security Announcement: SUSE-SA:2009:061 (Google Search)
SuSE Security Announcement: SUSE-SA:2009:064 (Google Search)
SuSE Security Announcement: SUSE-SA:2010:012 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2010-1173
Bugtraq: 20110211 VMSA-2011-0003 Third party component updates for VMware vCenter Server, vCenter Update Manager, ESXi and ESX (Google Search)
Debian Security Information: DSA-2053 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2010-1437
BugTraq ID: 39719
SuSE Security Announcement: SUSE-SA:2010:031 (Google Search)
XForce ISS Database: kernel-findkeyringbyname-dos(58254)
CopyrightCopyright (c) 2010 E-Soft Inc.

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