CVE-2021-47194

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 16.4% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-08-04.

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

2024-04-10 18:56Z2 YR AGO

Last updated

2026-08-05 08:46Z1 MO AGO

Reserved

2024-03-25

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-665Improper InitializationClass
• CWE-99Improper Control of Resource Identifiers ('Resource Injection')Class

Data version

5.2

Document digest

c5d4fdd224846ac52762e64370c0276dc55b72bd191cfb4ddafc2a595428ecc3

• git.kernel.orghttps://git.kernel.org/stable/c/8f06bb8c216bcd172394f61e557727e691b4cb24
• git.kernel.orghttps://git.kernel.org/stable/c/0738cdb636c21ab552eaecf905efa4a6070e3ebc
• git.kernel.orghttps://git.kernel.org/stable/c/4e458abbb4a523f1413bfe15c079cf4e24c15b21
• git.kernel.orghttps://git.kernel.org/stable/c/b8a045e2a9b234cfbc06cf36923886164358ddec
• git.kernel.orghttps://git.kernel.org/stable/c/52affc201fc22a1ab9a59ef0ed641a9adfcb8d13
• git.kernel.orghttps://git.kernel.org/stable/c/7b97b5776daa0b39dbdadfea176f9cc0646d4a66
• git.kernel.orghttps://git.kernel.org/stable/c/5a9b671c8d74a3e1b999e7a0c7f366079bcc93dd
• git.kernel.orghttps://git.kernel.org/stable/c/563fbefed46ae4c1f70cffb8eb54c02df480b2c2