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Red Hat Product Errata RHSA-2010:0567 - Security Advisory
Issued:
2010-07-28
Updated:
2010-07-28

RHSA-2010:0567 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: lvm2-cluster security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An updated lvm2-cluster package that fixes one security issue is now
available for Red Hat Enterprise Linux 5.

The Red Hat Security Response Team has rated this update as having moderate
security impact. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available from the CVE link in
the References section.

Description

The lvm2-cluster package contains support for Logical Volume Management
(LVM) in a clustered environment.

It was discovered that the cluster logical volume manager daemon (clvmd)
did not verify the credentials of clients connecting to its control UNIX
abstract socket, allowing local, unprivileged users to send control
commands that were intended to only be available to the privileged root
user. This could allow a local, unprivileged user to cause clvmd to exit,
or request clvmd to activate, deactivate, or reload any logical volume on
the local system or another system in the cluster. (CVE-2010-2526)

Note: This update changes clvmd to use a pathname-based socket rather than
an abstract socket. As such, the lvm2 update RHBA-2010:0569, which changes
LVM to also use this pathname-based socket, must also be installed for LVM
to be able to communicate with the updated clvmd.

All lvm2-cluster users should upgrade to this updated package, which
contains a backported patch to correct this issue. After installing the
updated package, clvmd must be restarted for the update to take effect.

Solution

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

Affected Products

  • Red Hat Enterprise Linux Resilient Storage for x86_64 5 x86_64
  • Red Hat Enterprise Linux Resilient Storage for x86_64 5 ppc
  • Red Hat Enterprise Linux Resilient Storage for x86_64 5 ia64
  • Red Hat Enterprise Linux Resilient Storage for x86_64 5 i386
  • Red Hat Enterprise Linux Resilient Storage (for RHEL Server) from RHUI 5 x86_64
  • Red Hat Enterprise Linux Resilient Storage (for RHEL Server) from RHUI 5 i386

Fixes

  • BZ - 614248 - CVE-2010-2526 lvm2-cluster: insecurity when communicating between lvm2 and clvmd

CVEs

  • CVE-2010-2526

References

  • http://www.redhat.com/security/updates/classification/#moderate
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Resilient Storage for x86_64 5

SRPM
lvm2-cluster-2.02.56-7.el5_5.4.src.rpm SHA-256: 47bdca453a9867b3205af17231260130afe4c18ae94a040a71756ed9d7704213
x86_64
lvm2-cluster-2.02.56-7.el5_5.4.x86_64.rpm SHA-256: 2a2a2b9d6adc84f1093519e6086bebe589b32f71e8ba1e01ab125e5f73910259
ppc
lvm2-cluster-2.02.56-7.el5_5.4.ppc.rpm SHA-256: 4fd6b0cc9b44ded43259e24848bfc64e7eefd61a8f97a6f1824900d069f46cf5
ia64
lvm2-cluster-2.02.56-7.el5_5.4.ia64.rpm SHA-256: 9632f4072c2d31d602cb6a2beb4d84d74847aa026eaffff57bab8afd1c2cddd4
i386
lvm2-cluster-2.02.56-7.el5_5.4.i386.rpm SHA-256: 65cc2a2260a7b1e20f9f6c20f71b539d94906516f266338a180942ba938f8085

Red Hat Enterprise Linux Resilient Storage (for RHEL Server) from RHUI 5

SRPM
lvm2-cluster-2.02.56-7.el5_5.4.src.rpm SHA-256: 47bdca453a9867b3205af17231260130afe4c18ae94a040a71756ed9d7704213
x86_64
lvm2-cluster-2.02.56-7.el5_5.4.x86_64.rpm SHA-256: 2a2a2b9d6adc84f1093519e6086bebe589b32f71e8ba1e01ab125e5f73910259
i386
lvm2-cluster-2.02.56-7.el5_5.4.i386.rpm SHA-256: 65cc2a2260a7b1e20f9f6c20f71b539d94906516f266338a180942ba938f8085

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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