CVE-2021-47143

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 13.0% 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

2024-03-25 09:07Z2 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-459Incomplete CleanupBase
• CWE-455Non-exit on Failed InitializationBase

Data version

5.2

Document digest

000819e2a5eddf99c23ceff177cd8c1c22d8d1ea7109b6ee6ce2440894dab2c8

• git.kernel.orghttps://git.kernel.org/stable/c/8b2cdc004d21a7255f219706dca64411108f7897
• git.kernel.orghttps://git.kernel.org/stable/c/40588782f1016c655ae1d302892f61d35af96842
• git.kernel.orghttps://git.kernel.org/stable/c/444d7be9532dcfda8e0385226c862fd7e986f607