CVE-2021-47122

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 13.4% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2024-03-15 20:14Z2 YR AGO

Last updated

2026-05-11 13:48Z5 MO AGO

Reserved

2024-03-04

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-401Missing Release of Memory after Effective LifetimeVariant
• CWE-402Transmission of Private Resources into a New Sphere ('Resource Leak')Class

Data version

5.2

Document digest

d2b70897c973c6de8f1818078f7ac2e582b27d3ef779f3c79b9216d9b99cf3ed

• git.kernel.orghttps://git.kernel.org/stable/c/b042e2b2039565eb8f0eb51c14fbe1ef463c8cd8
• git.kernel.orghttps://git.kernel.org/stable/c/9348c1f10932f13b299cbc8b1bd5f780751fae49
• git.kernel.orghttps://git.kernel.org/stable/c/4bca2034b41c15b62d47a19158bb76235fd4455d
• git.kernel.orghttps://git.kernel.org/stable/c/3be863c11cab725add9fef4237ed4e232c3fc3bb
• git.kernel.orghttps://git.kernel.org/stable/c/f52f4fd67264c70cd0b4ba326962ebe12d9cba94
• git.kernel.orghttps://git.kernel.org/stable/c/af2806345a37313f01b1c9f15e046745b8ee2daa
• git.kernel.orghttps://git.kernel.org/stable/c/6a0e317f61094d377335547e015dd2ff12caf893
• git.kernel.orghttps://git.kernel.org/stable/c/b53558a950a89824938e9811eddfc8efcd94e1bb