OpenBLAS Security Update

openblas Updated 02 Oct 2025

Summary

08/11/2022
N/A
Yes i
Unrated
Not published

ALSA-2022:7639: Moderate: openblas security update. Affects openblas versions < 0.3.15-4.el8. Fixed in 0.3.15-4.el8. How to fix ↓

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Background

OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version. It provides a set of mathematical functions for linear algebra operations. OpenBLAS is widely used in scientific computing and numerical analysis applications.

Vulnerability Detail

The security update addresses an out-of-bounds read vulnerability in the lapack component of OpenBLAS. This vulnerability, identified as CVE-2021-4048, could potentially be exploited by an attacker to read sensitive information or cause a denial of service. The impact of this vulnerability depends on the context in which OpenBLAS is used.

How To Fix

Minimum fixed version

0.3.15-4.el8

This is the first release that contains the fix.

sudo dnf update openblas

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Workaround

There is no known workaround for this vulnerability. It is essential to apply the security update to ensure the integrity and security of the OpenBLAS library.

Conclusion

The OpenBLAS security update addresses an out-of-bounds read vulnerability in the lapack component. It is recommended to update the OpenBLAS package to version 0.3.15-4.el8 or later to mitigate the vulnerability. For further support on vulnerability remediation, please contact DevNack.com.

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FAQ

OpenBLAS is an optimized BLAS library used for mathematical computations in scientific computing and numerical analysis applications.

The vulnerability could allow an attacker to read sensitive information or cause a denial of service, depending on the context in which OpenBLAS is used.

To fix the vulnerability, update the OpenBLAS package to version 0.3.15-4.el8 or later.

No, there is no known workaround for this vulnerability. It is crucial to apply the security update.

You can find more information about the vulnerability in the CVE page linked in the References section of the advisory.

Related vulnerabilities

Recent vulnerabilities recorded for openblas.

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How To Fix

Minimum fixed version

0.3.15-4.el8

This is the first release that contains the fix.

sudo dnf update openblas

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