CVE-2021-47000

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 15.3% of scored records. A rank, not a probability.

NVD base score

3.3 (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:L

NVD analysis status

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

Red Hat severity

Moderate. 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

2026-05-23 15:18Z5 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Low (CVSS 3.3)

CNA CVSS vector

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

Weaknesses

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

Data version

5.2

Document digest

1d0d7ac0ba0ecfd3781ff92c62f01641f5ab2bbdd830a36c98c29c5819d1899a

• git.kernel.orghttps://git.kernel.org/stable/c/2ad8af2b70e986284050213230428b823b950a38
• git.kernel.orghttps://git.kernel.org/stable/c/bf45c9fe99aa8003d2703f1bd353f956dea47e40
• git.kernel.orghttps://git.kernel.org/stable/c/22fa4c8288f1ec40f6d62d7a32c57ac176f9f0bc
• git.kernel.orghttps://git.kernel.org/stable/c/0a219432127d396120fc88cabd82785e0ff72a2f
• git.kernel.orghttps://git.kernel.org/stable/c/1775c7ddacfcea29051c67409087578f8f4d751b