Vulnerability CVE-2021-4048
Published: 2021-12-08

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.

Type:

CWE-125

 (Out-of-bounds Read)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.4/10
4.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
Partial
Affected software
Redhat -> Ceph storage 
Redhat -> Openshift container storage 
Redhat -> Openshift data foundation 
Redhat -> Enterprise linux 
Openblas project -> Openblas 
Lapack project -> Lapack 
Julialang -> Julia 

 References:
https://github.com/JuliaLang/julia/issues/42415
https://github.com/xianyi/OpenBLAS/commit/337b65133df174796794871b3988cd03426e6d41
https://github.com/xianyi/OpenBLAS/commit/2be5ee3cca97a597f2ee2118808a2d5eacea050c
https://github.com/xianyi/OpenBLAS/commit/ddb0ff5353637bb5f5ad060c9620e334c143e3d7
https://github.com/Reference-LAPACK/lapack/commit/38f3eeee3108b18158409ca2a100e6fe03754781
https://github.com/Reference-LAPACK/lapack/pull/625
https://github.com/xianyi/OpenBLAS/commit/fe497efa0510466fd93578aaf9da1ad8ed4edbe7
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