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Red Hat Enterprise Linux 8: RHSA-2021:1600-01 Moderate: bluez DoS Fix

red hat
Calendar Grey May 18, 2021
Dist Redhat Esm H88
New update released for bluez classified as moderate by Red Hat Security tackling severe vulnerabilities related to DoS and RCE.
An update for bluez is now available for Red Hat Enterprise Linux 8

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

Summary

The bluez packages contain the following utilities for use in Bluetooth applications: hcitool, hciattach, hciconfig, bluetoothd, l2ping, start scripts (Red Hat), and pcmcia configuration files.
Security Fix(es):
* bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE (CVE-2020-27153)
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 8.4 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat remote code execution DoS Red Hat Enterprise Linux moderate impact Moderate RCE bluez

References

https://access.redhat.com/security/cve/CVE-2020-27153 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: bluez-cups-5.52-4.el8.aarch64.rpm bluez-cups-debuginfo-5.52-4.el8.aarch64.rpm bluez-debuginfo-5.52-4.el8.aarch64.rpm bluez-debugsource-5.52-4.el8.aarch64.rpm bluez-hid2hci-debuginfo-5.52-4.el8.aarch64.rpm bluez-libs-debuginfo-5.52-4.el8.aarch64.rpm bluez-obexd-debuginfo-5.52-4.el8.aarch64.rpm
ppc64le: bluez-cups-5.52-4.el8.ppc64le.rpm bluez-cups-debuginfo-5.52-4.el8.ppc64le.rpm bluez-debuginfo-5.52-4.el8.ppc64le.rpm bluez-debugsource-5.52-4.el8.ppc64le.rpm bluez-hid2hci-debuginfo-5.52-4.el8.ppc64le.rpm bluez-libs-debuginfo-5.52-4.el8.ppc64le.rpm bluez-obexd-debuginfo-5.52-4.el8.ppc64le.rpm
s390x: bluez-cups-5.52-4.el8.s390x.rpm bluez-cups-debuginfo-5.52-4.el8.s390x.rpm bluez-debuginfo-5.52-4.el8.s390x.rpm bluez-debugsource-5.52-4.el8.s390x.rpm bluez-hid2hci-debuginfo-5.52-4.el8.s390x.rpm bluez-libs-debuginfo-5.52-4.el8.s390x.rpm bluez-obexd-debuginfo-5.52-4.el8.s390x.rpm
x86_64: bluez-cups-5.52-4.el8.x86_64.rpm bluez-cups-debuginfo-5.52-4.el8.x86_64.rpm bluez-debuginfo-5.52-4.el8.x86_64.rpm bluez-debugsource-5.52-4.el8.x86_64.rpm bluez-hid2hci-debuginfo-5.52-4.el8.x86_64.rpm bluez-libs-debuginfo-5.52-4.el8.x86_64.rpm bluez-obexd-debuginfo-5.52-4.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:

Read the Full Advisory


Advisory ID: RHSA-2021:1598-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:1598
Issue date: 2021-05-18

Topic

An update for bluez is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat remote code execution DoS Red Hat Enterprise Linux moderate impact Moderate RCE bluez

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

1884817 - CVE-2020-27153 bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE

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