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TI-2021-02935 Aliases CVE-2021-4048GHSA-wgf2-cvhg-c384

Out-of-bounds read in lapack

Priority MEDIUM 44CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 3 fixed, 9 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.02763 86th percentileScored 2026-11-07
Fix Partial Red Hat: 2 advisoriesRed Hat: 3 fixed, 9 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—lapacklapack through version 3.10.0—No fix listedCNA
  • lapack Vendor— Affected lapack through version 3.10.0 Fixed in — No fix listed CNA

CPE configurations NVD · 17

CPEVersionsRoleVendor
cpe:2.3:a:lapack_project:lapack:*:*:*:*:*:*:*:*up to 3.10.0VulnerableLapack Project
cpe:2.3:a:openblas_project:openblas:*:*:*:*:*:*:*:*before 0.3.18VulnerableOpenblas Project
cpe:2.3:a:julialang:julia:*:*:*:*:*:*:*:*up to 1.6.3VulnerableJulialang
cpe:2.3:a:julialang:julia:1.7.0:beta1:*:*:*:*:*:*1.7.0 beta1VulnerableJulialang
cpe:2.3:a:julialang:julia:1.7.0:beta2:*:*:*:*:*:*1.7.0 beta2VulnerableJulialang
cpe:2.3:a:julialang:julia:1.7.0:beta3:*:*:*:*:*:*1.7.0 beta3VulnerableJulialang
cpe:2.3:a:julialang:julia:1.7.0:beta4:*:*:*:*:*:*1.7.0 beta4VulnerableJulialang
cpe:2.3:a:julialang:julia:1.7.0:rc1:*:*:*:*:*:*1.7.0 rc1VulnerableJulialang
cpe:2.3:a:redhat:ceph_storage:2.0:*:*:*:*:*:*:*2.0VulnerableRed Hat
cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:*3.0VulnerableRed Hat
  • cpe:2.3:a:lapack_project:lapack:*:*:*:*:*:*:*:* Versions up to 3.10.0 Vulnerable ·Lapack Project
  • cpe:2.3:a:openblas_project:openblas:*:*:*:*:*:*:*:* Versions before 0.3.18 Vulnerable ·Openblas Project
  • cpe:2.3:a:julialang:julia:*:*:*:*:*:*:*:* Versions up to 1.6.3 Vulnerable ·Julialang
  • cpe:2.3:a:julialang:julia:1.7.0:beta1:*:*:*:*:*:* Versions 1.7.0 beta1 Vulnerable ·Julialang
  • cpe:2.3:a:julialang:julia:1.7.0:beta2:*:*:*:*:*:* Versions 1.7.0 beta2 Vulnerable ·Julialang
  • cpe:2.3:a:julialang:julia:1.7.0:beta3:*:*:*:*:*:* Versions 1.7.0 beta3 Vulnerable ·Julialang
  • cpe:2.3:a:julialang:julia:1.7.0:beta4:*:*:*:*:*:* Versions 1.7.0 beta4 Vulnerable ·Julialang
  • cpe:2.3:a:julialang:julia:1.7.0:rc1:*:*:*:*:*:* Versions 1.7.0 rc1 Vulnerable ·Julialang
  • cpe:2.3:a:redhat:ceph_storage:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Red Hat
Show 7 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:a:redhat:openshift_container_storage:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:a:redhat:openshift_data_foundation:4.0:*:*:*:*:*:*:*4.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*8.0VulnerableRed Hat
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*34VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
  • cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:ceph_storage:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openshift_container_storage:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:a:redhat:openshift_data_foundation:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject

Remediation

Red Hat 2 advisories

  • RHSA-2023:6832 Released 2023-11-08 · Red Hat rating Important
    Red Hat OpenShift Data Foundation 4.14.0 security, enhancement & bug fix update
    • RHODF 4.14 for RHEL 9 odf4/cephcsi-rhel9, odf4/mcg-cli-rhel9, odf4/mcg-core-rhel9 +12
  • RHSA-2022:7639 Released 2022-11-08 · Red Hat rating Moderate
    openblas security update
    • Red Hat CodeReady Linux Builder (v. 8) openblas-Rblas-0.3.15-4.el8, openblas-devel-0.3.15-4.el8, openblas-openmp-0.3.15-4.el8 +7
    • Red Hat Enterprise Linux AppStream (v. 8) openblas-0.3.15-4.el8, openblas-threads-0.3.15-4.el8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Ceph Storage 2AffectedNo fix planned: Will not fix
Red Hat Ceph Storage 3AffectedNo fix planned: Will not fix
Red Hat Ceph Storage 4AffectedNo fix planned: Will not fix
Red Hat Ceph Storage 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 8AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 9AffectedNo fix planned: Will not fix
Red Hat Openshift Container Storage 4AffectedNo fix yet
RHODF 4.14 for RHEL 9Fixed RHSA-2023:6832
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2022:7639
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2022:7639
Not affected: 2 products
  • RHODF 4.14 for RHEL 9
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4048
  2. 2026-10-03 Alias added: GHSA-wgf2-cvhg-c384

References

Patch 7

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences