Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

Red Hat Enterprise Linux 8: RHSA-2020-4481-01 Moderate: Bluez DoS Risk

red hat
Calendar Grey November 3, 2020
Dist Redhat Esm H88
Canonical publishes a critical security update for AppArmor tackling vulnerabilities related to privilege escalation and possible service interruptions.
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: Improper access control in subsystem could result in privilege escalation and DoS (CVE-2020-0556)
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 8.3 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat privilege escalation DoS enterprise linux bluez

References

https://access.redhat.com/security/cve/CVE-2020-0556 https://access.redhat.com/security/updates/classification#moderate https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/8.3_release_notes/index

Package List

Red Hat Enterprise Linux AppStream (v. 8):
aarch64: bluez-cups-5.50-4.el8.aarch64.rpm bluez-cups-debuginfo-5.50-4.el8.aarch64.rpm bluez-debuginfo-5.50-4.el8.aarch64.rpm bluez-debugsource-5.50-4.el8.aarch64.rpm bluez-hid2hci-debuginfo-5.50-4.el8.aarch64.rpm bluez-libs-debuginfo-5.50-4.el8.aarch64.rpm bluez-obexd-debuginfo-5.50-4.el8.aarch64.rpm
ppc64le: bluez-cups-5.50-4.el8.ppc64le.rpm bluez-cups-debuginfo-5.50-4.el8.ppc64le.rpm bluez-debuginfo-5.50-4.el8.ppc64le.rpm bluez-debugsource-5.50-4.el8.ppc64le.rpm bluez-hid2hci-debuginfo-5.50-4.el8.ppc64le.rpm bluez-libs-debuginfo-5.50-4.el8.ppc64le.rpm bluez-obexd-debuginfo-5.50-4.el8.ppc64le.rpm
s390x: bluez-cups-5.50-4.el8.s390x.rpm bluez-cups-debuginfo-5.50-4.el8.s390x.rpm bluez-debuginfo-5.50-4.el8.s390x.rpm bluez-debugsource-5.50-4.el8.s390x.rpm bluez-hid2hci-debuginfo-5.50-4.el8.s390x.rpm bluez-libs-debuginfo-5.50-4.el8.s390x.rpm bluez-obexd-debuginfo-5.50-4.el8.s390x.rpm
x86_64: bluez-cups-5.50-4.el8.x86_64.rpm bluez-cups-debuginfo-5.50-4.el8.x86_64.rpm bluez-debuginfo-5.50-4.el8.x86_64.rpm bluez-debugsource-5.50-4.el8.x86_64.rpm bluez-hid2hci-debuginfo-5.50-4.el8.x86_64.rpm bluez-libs-debuginfo-5.50-4.el8.x86_64.rpm bluez-obexd-debuginfo-5.50-4.el8.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:

Read the Full Advisory


Advisory ID: RHSA-2020:4481-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4481
Issue date: 2020-11-03

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 moderate Red Hat privilege escalation DoS enterprise linux 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

1814293 - CVE-2020-0556 bluez: Improper access control in subsystem could result in privilege escalation and DoS

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here