CVE-2021-4048

Published: Dec 8, 2021Modified: Jun 17, 2026

9.1

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Exploitability: 3.9 / Impact: 5.2

Source: NVD

Description

An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.

Affected (17)

Products: Lapack Project: Lapack · Openblas Project: Openblas · Julialang: Julia · +2 more

Show all products

Lapack Project: Lapack · Openblas Project: Openblas · Julialang: Julia · Redhat: Ceph Storage, Enterprise Linux, Openshift Container Storage, Openshift Data Foundation · Fedoraproject: Fedora

1 product

Openblas Project

1 product

1 product

4 products

Enterprise Linux

Openshift Container Storage

Openshift Data Foundation

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Lapack Project Lapack	Up to 3.10.0

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Openblas Project Openblas	Before 0.3.18

Configuration C

6 vulnerable

Vulnerable Software	Affected Versions
Julialang Julia	Up to 1.6.3
Julialang Julia	Version 1.7.0 beta1
Julialang Julia	Version 1.7.0 beta2
Julialang Julia	Version 1.7.0 beta3
Julialang Julia	Version 1.7.0 beta4
Julialang Julia	Version 1.7.0 rc1

Configuration D

7 vulnerable

Vulnerable Software	Affected Versions
Redhat Ceph Storage	Version 2.0
Redhat Ceph Storage	Version 3.0
Redhat Ceph Storage	Version 4.0
Redhat Ceph Storage	Version 5.0
Redhat Enterprise Linux	Version 8.0
Redhat Openshift Container Storage	Version 4.0
Redhat Openshift Data Foundation	Version 4.0

Configuration E

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 34
Fedoraproject Fedora	Version 35

Related CWEs

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (18)

https://github.com/JuliaLang/julia/issues/42415

Source: secalert@redhat.com

Issue TrackingPatchThird Party Advisory

https://github.com/Reference-LAPACK/lapack/commit/38f3eeee3108b18158409ca2a100e6fe03754781

Source: secalert@redhat.com

PatchThird Party Advisory

https://github.com/Reference-LAPACK/lapack/pull/625

Source: secalert@redhat.com

Issue TrackingPatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/2be5ee3cca97a597f2ee2118808a2d5eacea050c

Source: secalert@redhat.com

PatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/337b65133df174796794871b3988cd03426e6d41

Source: secalert@redhat.com

PatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/ddb0ff5353637bb5f5ad060c9620e334c143e3d7

Source: secalert@redhat.com

PatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/fe497efa0510466fd93578aaf9da1ad8ed4edbe7

Source: secalert@redhat.com

PatchThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QFEVOCUG2UXMVMFMTU4ONJVDEHY2LW2/

Source: secalert@redhat.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DROZM4M2QRKSD6FBO4BHSV2QMIRJQPHT/

Source: secalert@redhat.com

https://github.com/JuliaLang/julia/issues/42415

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

https://github.com/Reference-LAPACK/lapack/commit/38f3eeee3108b18158409ca2a100e6fe03754781

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/Reference-LAPACK/lapack/pull/625

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/2be5ee3cca97a597f2ee2118808a2d5eacea050c

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/337b65133df174796794871b3988cd03426e6d41

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/ddb0ff5353637bb5f5ad060c9620e334c143e3d7

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://github.com/xianyi/OpenBLAS/commit/fe497efa0510466fd93578aaf9da1ad8ed4edbe7

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6QFEVOCUG2UXMVMFMTU4ONJVDEHY2LW2/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DROZM4M2QRKSD6FBO4BHSV2QMIRJQPHT/

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.