Red Hat Enterprise Linux 8 update for openblas



Published: 2022-11-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-4048
CWE-ID CWE-125
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Red Hat CodeReady Linux Builder for IBM z Systems
Operating systems & Components / Operating system

Red Hat CodeReady Linux Builder for ARM 64
Operating systems & Components / Operating system

Red Hat CodeReady Linux Builder for Power, little endian
Operating systems & Components / Operating system

Red Hat CodeReady Linux Builder for x86_64
Operating systems & Components / Operating system

Red Hat Enterprise Linux for ARM 64
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Power, little endian
Operating systems & Components / Operating system

Red Hat Enterprise Linux for IBM z Systems
Operating systems & Components / Operating system

Red Hat Enterprise Linux for x86_64
Operating systems & Components / Operating system

openblas (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Out-of-bounds read

EUVDB-ID: #VU69295

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2021-4048

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition within the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and crash the affected application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat CodeReady Linux Builder for IBM z Systems: 8.0

Red Hat CodeReady Linux Builder for ARM 64: 8.0

Red Hat CodeReady Linux Builder for Power, little endian: 8.0

Red Hat CodeReady Linux Builder for x86_64: 8.0

Red Hat Enterprise Linux for ARM 64: 8

Red Hat Enterprise Linux for Power, little endian: 8

Red Hat Enterprise Linux for IBM z Systems: 8

Red Hat Enterprise Linux for x86_64: 8.0

openblas (Red Hat package): before 0.3.15-4.el8


CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:7639

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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