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====================================================================                   
Red Hat Security Advisory

Synopsis:          Moderate: device-mapper-multipath security and bug fix update
Advisory ID:       RHSA-2023:2459-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:2459
Issue date:        2023-05-09
CVE Names:         CVE-2022-41973
====================================================================
1. Summary:

An update for device-mapper-multipath is now available for Red Hat
Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

The device-mapper-multipath packages provide tools that use the
device-mapper multipath kernel module to manage multipath devices.

Security Fix(es):

* device-mapper-multipath: multipathd: insecure handling of files in
/dev/shm leading to symlink attack (CVE-2022-41973)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 9.2 Release Notes linked from the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

2123894 - CVE-2022-41973 device-mapper-multipath: multipathd: insecure handling of files in /dev/shm leading to symlink attack
2125357 - when running iscsiadm login and quick logout the logout didn't run as expected
2141860 - Race condition causes kpartx to create a dm device which uses itself as part of the target, creating an infinite recursion
2143125 - path selector "io-affinity" does not work on RHEL9.2
2145225 - multipath doesn't verify the argument count in config option strings it passes to the kernel
2166467 - multipath devices that need both a table reload and a rename only get renamed on multipathd startup

6. Package List:

Red Hat Enterprise Linux BaseOS (v. 9):

Source:
device-mapper-multipath-0.8.7-20.el9.src.rpm

aarch64:
device-mapper-multipath-0.8.7-20.el9.aarch64.rpm
device-mapper-multipath-debuginfo-0.8.7-20.el9.aarch64.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.aarch64.rpm
device-mapper-multipath-libs-0.8.7-20.el9.aarch64.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.aarch64.rpm
kpartx-0.8.7-20.el9.aarch64.rpm
kpartx-debuginfo-0.8.7-20.el9.aarch64.rpm
libdmmp-debuginfo-0.8.7-20.el9.aarch64.rpm

ppc64le:
device-mapper-multipath-0.8.7-20.el9.ppc64le.rpm
device-mapper-multipath-debuginfo-0.8.7-20.el9.ppc64le.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.ppc64le.rpm
device-mapper-multipath-libs-0.8.7-20.el9.ppc64le.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.ppc64le.rpm
kpartx-0.8.7-20.el9.ppc64le.rpm
kpartx-debuginfo-0.8.7-20.el9.ppc64le.rpm
libdmmp-debuginfo-0.8.7-20.el9.ppc64le.rpm

s390x:
device-mapper-multipath-0.8.7-20.el9.s390x.rpm
device-mapper-multipath-debuginfo-0.8.7-20.el9.s390x.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.s390x.rpm
device-mapper-multipath-libs-0.8.7-20.el9.s390x.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.s390x.rpm
kpartx-0.8.7-20.el9.s390x.rpm
kpartx-debuginfo-0.8.7-20.el9.s390x.rpm
libdmmp-debuginfo-0.8.7-20.el9.s390x.rpm

x86_64:
device-mapper-multipath-0.8.7-20.el9.x86_64.rpm
device-mapper-multipath-debuginfo-0.8.7-20.el9.i686.rpm
device-mapper-multipath-debuginfo-0.8.7-20.el9.x86_64.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.i686.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.x86_64.rpm
device-mapper-multipath-libs-0.8.7-20.el9.i686.rpm
device-mapper-multipath-libs-0.8.7-20.el9.x86_64.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.i686.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.x86_64.rpm
kpartx-0.8.7-20.el9.x86_64.rpm
kpartx-debuginfo-0.8.7-20.el9.i686.rpm
kpartx-debuginfo-0.8.7-20.el9.x86_64.rpm
libdmmp-debuginfo-0.8.7-20.el9.i686.rpm
libdmmp-debuginfo-0.8.7-20.el9.x86_64.rpm

Red Hat Enterprise Linux CRB (v. 9):

aarch64:
device-mapper-multipath-debuginfo-0.8.7-20.el9.aarch64.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.aarch64.rpm
device-mapper-multipath-devel-0.8.7-20.el9.aarch64.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.aarch64.rpm
kpartx-debuginfo-0.8.7-20.el9.aarch64.rpm
libdmmp-debuginfo-0.8.7-20.el9.aarch64.rpm

ppc64le:
device-mapper-multipath-debuginfo-0.8.7-20.el9.ppc64le.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.ppc64le.rpm
device-mapper-multipath-devel-0.8.7-20.el9.ppc64le.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.ppc64le.rpm
kpartx-debuginfo-0.8.7-20.el9.ppc64le.rpm
libdmmp-debuginfo-0.8.7-20.el9.ppc64le.rpm

s390x:
device-mapper-multipath-debuginfo-0.8.7-20.el9.s390x.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.s390x.rpm
device-mapper-multipath-devel-0.8.7-20.el9.s390x.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.s390x.rpm
kpartx-debuginfo-0.8.7-20.el9.s390x.rpm
libdmmp-debuginfo-0.8.7-20.el9.s390x.rpm

x86_64:
device-mapper-multipath-debuginfo-0.8.7-20.el9.i686.rpm
device-mapper-multipath-debuginfo-0.8.7-20.el9.x86_64.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.i686.rpm
device-mapper-multipath-debugsource-0.8.7-20.el9.x86_64.rpm
device-mapper-multipath-devel-0.8.7-20.el9.i686.rpm
device-mapper-multipath-devel-0.8.7-20.el9.x86_64.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.i686.rpm
device-mapper-multipath-libs-debuginfo-0.8.7-20.el9.x86_64.rpm
kpartx-debuginfo-0.8.7-20.el9.i686.rpm
kpartx-debuginfo-0.8.7-20.el9.x86_64.rpm
libdmmp-debuginfo-0.8.7-20.el9.i686.rpm
libdmmp-debuginfo-0.8.7-20.el9.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2022-41973
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.2_release_notes/index

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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