kernel security update (RHSA-2019-3878)

Original Release Date: November 19, 2019
Last Revised: June 3, 2021
Number: ASA-2019-242
Overall Severity Classification: High
Advisory Version: 3.0
Advisory Status: Final

1. Overview:

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

Security Fix(es):

* hw: Intel GPU blitter manipulation can allow for arbitrary kernel memory write (CVE-2019-0155)

More information can be found in the security advisory issued by Red Hat:

2. Avaya System Products using a modified version of RHEL6 with affected packages installed:

For assessment and severity classification details refer to Section 3 of Avaya's Product Vulnerability Response Policy.
The "Resolution" column will be updated as fixes are made available. Please reference the "Information" column for any additional information regarding the affected product.

Product: Version(s): Resolution: Information:
Avaya Aura® Application Enablement Services 7.0.x Upgrade to 7.1.3 and install LSU8 or upgrade to 8.1 and install LSU2 or later. Avaya Aura® R7 is EOMS and this issue will be addressed in a supported version, refer to Avaya Aura® Release 7 End of Manufacture Support.
Install latest Linux Security Update.

For 7.1.3.x LSU
For 8.1.2.x LSU
Avaya Aura® Application Server 5300:
  • SIP Core
3.0 SP11 through 3.0 SP15.3 Upgrade to 3.0 SP15.4 or later.
Avaya Breeze™ Platform 3.0 through 3.2.x.x Upgrade to 3.8 or later.
Avaya CMS R18 through R18.1.0.3 Upgrade to R18.1.0.4 or R19.1 or later. R17 is EOMS and this issue will be addressed in a supported version, refer to the End of Sale Notice.
Avaya Aura® Communication Manager 7.0.x Upgrade to latest 7.1 version and install KSP8 or upgrade to latest 8.1 version and install KSP3 or later. 7.1.x Kernel Service Pack
8.1.x Kernel Service Pack
Avaya Aura® Communication Manager Messaging 7.0.x No further releases are planned. See recommended actions below. This advisory will not be addressed as no further releases are planned. It is recommended to migrate to another Avaya Messaging solution such as Officelinx, Avaya Multimedia Messaging or Avaya Aura Messaging. Refer to the End of Sale Notice.
Avaya Aura® Conferencing 8.0 through 8.0 SP16 Upgrade to 8.0 SP17 or later.
Avaya Aura® Experience Portal 7.0 through 7.2.2 Upgrade to 7.2.3 and install Latest Security Updates
Avaya IP Office 10.x, 11.0.x Upgrade to 11.1 or later.
Avaya Meeting Exchange 6.2 SP3 through 6.2 SP8 Upgrade to 6.2 SP9 or later.
Avaya Aura® Messaging 7.0.x Upgrade to 7.1 SP3 or 7.2 or later.
Avaya one-X® Client Enablement Services 6.2 through 6.2 SP8 Upgrade to 6.2 SP9 or later. 6.2 SP9 and later versions are software-only.

Refer to:

  1. PSN005490u
  2. 6.2 SP9 Release Notes
  3. Section 3 Avaya Software-Only Products below
Avaya Proactive Contact 5.2 through 5.2.0.1 Upgrade to 5.2.0.2 or later
Avaya Session Border Controller for Enterprise 7.0.x Upgrade to 8.1 or later.
Avaya Aura® Session Manager 7.0.x Upgrade to 7.1.3.6 or 8.1.2.0 or later.
Avaya Aura® System Manager 7.0.x Upgrade to 7.1.3.5 or 8.1.2.0 or later.
Avaya Aura® Utility Services 7.0.x Upgrade to 7.1.3.6 or later.

Recommended Actions for Products:
Avaya strongly recommends following networking and security best practices by implementing firewalls, ACLs, physical security or other appropriate access restrictions. Though Avaya believes such restrictions should always be in place, risk to Avaya products and the surrounding network from this potential vulnerability may be mitigated by ensuring these practices are implemented until such time as an Avaya provided product update or the recommended Avaya action is applied. Further restrictions as deemed necessary based on the customer's security policies may be required during this interim period, but the System Product operating system or application should not be modified unless the change is approved by Avaya. Making changes that are not approved may void the Avaya product service contract.

CVSS 3.0 Scoring and Metrics:

Avaya uses the Common Vulnerability Scoring System version 3 (CVSSv3) base score and metrics as reported by the vendor for the affected component(s) or by the National Institute of Standards and Technology in the National Vulnerability Database. In some cases, such as where CVSS information is not available from the vendor or NIST, Avaya will calculate the CVSSv3 base score and metrics. Customers are encouraged to calculate the Temporal and Environmental CVSSv3 scores to determine how the vulnerability could affect their specific implementation or environment. For more information on CVSS and how the score is calculated, see Common Vulnerability Scoring System v3.0: Specification Document.

Vulnerability CVSSv3 Base Score CVSSv3 Metrics
CVE-2019-0155
8.8 (High) CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

3. Avaya Software-Only Products:

Avaya software-only products operate on general-purpose operating systems. Occasionally, vulnerabilities may be discovered in the underlying operating system or applications that come with the operating system. These vulnerabilities may not impact the software-only product directly but may threaten the integrity of the underlying platform.

Product: Actions:
Avaya Aura® Application Enablement Services If an affected package is installed, Avaya recommends following the actions supplied by Red Hat.
Avaya Aura® Experience Portal If an affected package is installed, Avaya recommends following the actions supplied by Red Hat.
one-X Client Enablement Services If an affected package is installed, Avaya recommends following the actions supplied by Red Hat.

4. Additional Information:

Additional information may also be available via the Avaya support website and through your Avaya account representative. Please contact your Avaya product support representative, or dial 1-800-242-2121, with any questions.

5. Disclaimer:

ALL INFORMATION IS BELIEVED TO BE CORRECT AT THE TIME OF PUBLICATION, IS PROVIDED "AS IS", AND IS APPLICABLE ONLY TO PRODUCT VERSIONS ELIGIBLE FOR MANUFACTURER SUPPORT IN ACCORDANCE WITH AVAYA PRODUCT LIFE CYCLE POLICY. AVAYA INC., ON BEHALF ITSELF AND ITS SUBSIDIARIES AND AFFILIATES (HEREINAFTER COLLECTIVELY REFERRED TO AS "AVAYA"), DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND FURTHERMORE, AVAYA MAKES NO REPRESENTATIONS OR WARRANTIES THAT THE STEPS RECOMMENDED WILL ELIMINATE SECURITY OR VIRUS THREATS TO CUSTOMERS' SYSTEMS. IN NO EVENT SHALL AVAYA BE LIABLE FOR ANY DAMAGES WHATSOEVER ARISING OUT OF OR IN CONNECTION WITH THE INFORMATION OR RECOMMENDED ACTIONS PROVIDED HEREIN, INCLUDING DIRECT, INDIRECT, INCIDENTAL, STATUTORY, CONSEQUENTIAL DAMAGES, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF AVAYA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

THE INFORMATION PROVIDED HERE DOES NOT AFFECT THE SUPPORT AGREEMENTS IN PLACE FOR AVAYA PRODUCTS. SUPPORT FOR AVAYA PRODUCTS CONTINUES TO BE EXECUTED AS PER EXISTING AGREEMENTS WITH AVAYA.

6. Revision History:

V 1.0 - November 19, 2019 - Initial Statement issued.
V 2.0 - April 21, 2021 - Updated versions and resolutions for AES, AS5300, Breeze, CMS, CM, Conferencing, EP, IPO, MX, Messaging, SBCE, SM, SMGR and US.
V 3.0 - June 3, 2021 - Updated versions and resolutions for One-X and Proactive Contact, and set advisory status to final.

Avaya customers or Business Partners should report any security issues found with Avaya products via the standard support process.
Independent security researchers can contact Avaya at [email protected].

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