Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

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

This update fixes the following security issues :

* A NULL pointer dereference flaw was found in the io_submit_one() function in the Linux kernel asynchronous I/O implementation. A local, unprivileged user could use this flaw to cause a denial of service.
(CVE-2010-3066, Moderate)

* A flaw was found in the xfs_ioc_fsgetxattr() function in the Linux kernel XFS file system implementation. A data structure in xfs_ioc_fsgetxattr() was not initialized properly before being copied to user-space. A local, unprivileged user could use this flaw to cause an information leak. (CVE-2010-3078, Moderate)

* The exception fixup code for the __futex_atomic_op1,
__futex_atomic_op2, and futex_atomic_cmpxchg_inatomic() macros replaced the LOCK prefix with a NOP instruction. A local, unprivileged user could use this flaw to cause a denial of service. (CVE-2010-3086, Moderate)

* A flaw was found in the tcf_act_police_dump() function in the Linux kernel network traffic policing implementation. A data structure in tcf_act_police_dump() was not initialized properly before being copied to user-space. A local, unprivileged user could use this flaw to cause an information leak. (CVE-2010-3477, Moderate)

* A missing upper bound integer check was found in the sys_io_submit() function in the Linux kernel asynchronous I/O implementation. A local, unprivileged user could use this flaw to cause an information leak.
(CVE-2010-3067, Low)

Red Hat would like to thank Tavis Ormandy for reporting CVE-2010-3066, CVE-2010-3086, and CVE-2010-3067, and Dan Rosenberg for reporting CVE-2010-3078.

This update also fixes several bugs. Documentation for these bug fixes will be available shortly from the Technical Notes document linked to in the References section.

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.

The remote Oracle Linux 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2010-0839 advisory.

    - [net] rds: fix local privilege escalation (Eugene Teo) [642897 642898] {CVE-2010-3904}
    - [misc] futex: replace LOCK_PREFIX in futex.h (Peter Zijlstra) [633175 633176]       {CVE-2010-3086}
    - [v4l] remove compat code for VIDIOCSMICROCODE (Mauro Carvalho Chehab) [642470       642471] {CVE-2010-2963}
    - [net] sched: fix info leak in traffic policing (Neil Horman) [636391 636392]       {CVE-2010-3477}
    - [fs] aio: check for multiplication overflow in io_submit (Jeff Moyer) [629448       629449] {CVE-2010-3067}
    - [fs] xfs: prevent reading uninitialized stack memory (Dave Chinner) [630806        630807] {CVE-2010-3078}
    - [fs] aio: fix cleanup in io_submit_one (Jeff Moyer) [631720 631721]       {CVE-2010-3066}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update fixes the following security issues :

  - A NULL pointer dereference flaw was found in the     io_submit_one() function in the Linux kernel     asynchronous I/O implementation. A local, unprivileged     user could use this flaw to cause a denial of service.
    (CVE-2010-3066, Moderate)

  - A flaw was found in the xfs_ioc_fsgetxattr() function in     the Linux kernel XFS file system implementation. A data     structure in xfs_ioc_fsgetxattr() was not initialized     properly before being copied to user-space. A local,     unprivileged user could use this flaw to cause an     information leak. (CVE-2010-3078, Moderate)

  - The exception fixup code for the __futex_atomic_op1,
    __futex_atomic_op2, and futex_atomic_cmpxchg_inatomic()     macros replaced the LOCK prefix with a NOP instruction.
    A local, unprivileged user could use this flaw to cause     a denial of service. (CVE-2010-3086, Moderate)

  - A flaw was found in the tcf_act_police_dump() function     in the Linux kernel network traffic policing     implementation. A data structure in     tcf_act_police_dump() was not initialized properly     before being copied to user-space. A local, unprivileged     user could use this flaw to cause an information leak.
    (CVE-2010-3477, Moderate)

  - A missing upper bound integer check was found in the     sys_io_submit() function in the Linux kernel     asynchronous I/O implementation. A local, unprivileged     user could use this flaw to cause an information leak.
    (CVE-2010-3067, Low)

This update also fixes several bugs.

The system must be rebooted for this update to take effect.

a. ESX third-party update for Service Console kernel

   This update takes the console OS kernel package to    kernel-2.6.18-238.9.1 which resolves multiple security issues.

   The Common Vulnerabilities and Exposures project (cve.mitre.org) has    assigned the names CVE-2010-1083, CVE-2010-2492, CVE-2010-2798,    CVE-2010-2938, CVE-2010-2942, CVE-2010-2943, CVE-2010-3015,    CVE-2010-3066, CVE-2010-3067, CVE-2010-3078, CVE-2010-3086,    CVE-2010-3296, CVE-2010-3432, CVE-2010-3442, CVE-2010-3477,    CVE-2010-3699, CVE-2010-3858, CVE-2010-3859, CVE-2010-3865,    CVE-2010-3876, CVE-2010-3877, CVE-2010-3880, CVE-2010-3904,    CVE-2010-4072, CVE-2010-4073, CVE-2010-4075, CVE-2010-4080,    CVE-2010-4081, CVE-2010-4083, CVE-2010-4157, CVE-2010-4158,    CVE-2010-4161, CVE-2010-4238, CVE-2010-4242, CVE-2010-4243,    CVE-2010-4247, CVE-2010-4248, CVE-2010-4249, CVE-2010-4251,    CVE-2010-4255, CVE-2010-4263, CVE-2010-4343, CVE-2010-4346,    CVE-2010-4526, CVE-2010-4655, CVE-2011-0521, CVE-2011-0710,    CVE-2011-1010, CVE-2011-1090 and CVE-2011-1478 to these issues.

b. ESX third-party update for Service Console krb5 RPMs

   This patch updates the krb5-libs and krb5-workstation RPMs of the    console OS to version 1.6.1-55.el5_6.1, which resolves multiple    security issues.

   The Common Vulnerabilities and Exposures project (cve.mitre.org) has    assigned the names CVE-2010-1323, CVE-2011-0281, and CVE-2011-0282    to these issues.

c. ESXi and ESX update to third-party component glibc

   The glibc third-party library is updated to resolve multiple    security issues.

   The Common Vulnerabilities and Exposures project (cve.mitre.org) has    assigned the names CVE-2010-0296, CVE-2011-0536, CVE-2011-1071,    CVE-2011-1095, CVE-2011-1658, and CVE-2011-1659 to these issues.

d. ESX update to third-party drivers mptsas, mpt2sas, and mptspi

   The mptsas, mpt2sas, and mptspi drivers are updated which addresses    multiple security issues in the mpt2sas driver.

   The Common Vulnerabilities and Exposures project (cve.mitre.org) has    assigned the names CVE-2011-1494 and CVE-2011-1495 to these issues.

The remote VMware ESX / ESXi host is missing a security-related patch.
It is, therefore, affected by multiple vulnerabilities in several third-party components and libraries :

  - Kernel
  - krb5
  - glibc
  - mtp2sas
  - mptsas
  - mptspi

The remote CentOS system is missing a security update which has been documented in Red Hat advisory RHSA-2010-0839.

ID	Name	Product	Family	Published	Updated	Severity
50807	CentOS 5 : kernel (CESA-2010:0839)	Nessus	CentOS Local Security Checks	11/24/2010	1/4/2021	medium
50537	RHEL 5 : kernel (RHSA-2010:0839)	Nessus	Red Hat Local Security Checks	11/10/2010	1/14/2021	medium
68135	Oracle Linux 5 : kernel (ELSA-2010-0839)	Nessus	Oracle Linux Local Security Checks	7/12/2013	11/1/2024	medium
60886	Scientific Linux Security Update : kernel on SL5.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	8/1/2012	1/14/2021	medium
56508	VMSA-2011-0012 : VMware ESXi and ESX updates to third-party libraries and ESX Service Console	Nessus	VMware ESX Local Security Checks	10/14/2011	5/14/2023	high
89680	VMware ESX / ESXi Third-Party Libraries Multiple Vulnerabilities (VMSA-2011-0012) (remote check)	Nessus	Misc.	3/4/2016	5/14/2023	high
801500	CentOS RHSA-2010-0839 Security Check	Log Correlation Engine	Generic			high

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