Home/CVE/An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.
CVE

CVE-2021-4048

An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.

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.

CRITICAL · CVSS 9.1 EPSS 0.00364
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-125Out-of-bounds Read
▤

Affected Products & Versions

9
lapack project lapack<= 3.10.0
openblas project openblas< 0.3.18
julialang julia<= 1.6.3
julialang juliaall versions
redhat ceph storageall versions
redhat openshift container storageall versions
redhat openshift data foundationall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Dec 2021 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:11704-1
rhsaRHSA-2023:6832Important
suse-csafopenSUSE-SU-2022:0915-1
suse-csafSUSE-SU-2022:0913-1
suse-csafSUSE-SU-2022:0915-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/JuliaLang/julia/issues/42415Issue TrackingPatchThird Party Advisory
https://github.com/Reference-LAPACK/lapack/commit/38f3eeee3108b18158409ca2a100e6fe03754781PatchThird Party Advisory
https://github.com/Reference-LAPACK/lapack/pull/625Issue TrackingPatchThird Party Advisory
https://github.com/xianyi/OpenBLAS/commit/2be5ee3cca97a597f2ee2118808a2d5eacea050cPatchThird Party Advisory
https://github.com/xianyi/OpenBLAS/commit/337b65133df174796794871b3988cd03426e6d41PatchThird Party Advisory
https://github.com/xianyi/OpenBLAS/commit/ddb0ff5353637bb5f5ad060c9620e334c143e3d7PatchThird Party Advisory
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