CVE-2021-47051

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

2024-02-28 08:13Z2 YR AGO

Last updated

2026-05-11 13:47Z5 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-402Transmission of Private Resources into a New Sphere ('Resource Leak')Class

Data version

5.2

Document digest

d1070abd93fbd0bb82a5854c6f8400a81bfd37417f4243dcc19f6494bb8aec6f

• git.kernel.orghttps://git.kernel.org/stable/c/4a01ad002d2e03c399af536562693752af7c81b1
• git.kernel.orghttps://git.kernel.org/stable/c/ce02e58ddf8658a4c3bed2296f32a5873b3f7cce
• git.kernel.orghttps://git.kernel.org/stable/c/b8207bfc539cd07d15e753ff2d179c5b61c673b1
• git.kernel.orghttps://git.kernel.org/stable/c/6a2b5cee0d31ab6cc51030c441135b0e31217282
• git.kernel.orghttps://git.kernel.org/stable/c/a03675497970a93fcf25d81d9d92a59c2d7377a7