CVE-2021-47117

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

Ranks above 15.3% 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 13:48Z3 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-20Improper Input ValidationClass

Data version

5.2

Document digest

c0feee01f7a2f5f867e506d7e1c49d574e35e909eaea6ddead81cac5d1a7d765

• git.kernel.orghttps://git.kernel.org/stable/c/e33bafad30d34cfa5e9787cb099cab05e2677fcb
• git.kernel.orghttps://git.kernel.org/stable/c/5b3a9a2be59478b013a430ac57b0f3d65471b071
• git.kernel.orghttps://git.kernel.org/stable/c/d8116743ef5432336289256b2f7c117299213eb9
• git.kernel.orghttps://git.kernel.org/stable/c/569496aa3776eea1ff0d49d0174ac1b7e861e107
• git.kernel.orghttps://git.kernel.org/stable/c/920697b004e49cb026e2e15fe91be065bf0741b7
• git.kernel.orghttps://git.kernel.org/stable/c/d3b668b96ad3192c0581a248ae2f596cd054792a
• git.kernel.orghttps://git.kernel.org/stable/c/48105dc98c9ca35af418746277b087cb2bc6df7c
• git.kernel.orghttps://git.kernel.org/stable/c/082cd4ec240b8734a82a89ffb890216ac98fec68