CVE-2021-47229

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.4% 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

2024-05-21 14:19Z2 YR AGO

Last updated

2026-05-11 13:50Z3 MO AGO

Reserved

2024-04-10

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

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

Data version

5.2

Document digest

a0dba6cbfb07808141f017e613c1fcb2b1a9b34508d8cb764867189597c3e9d4

• git.kernel.orghttps://git.kernel.org/stable/c/400e6b1860c8be61388d0b77814c53260f96e17a
• git.kernel.orghttps://git.kernel.org/stable/c/b00a9aaa4be20ad6e3311fb78a485eae0899e89a
• git.kernel.orghttps://git.kernel.org/stable/c/4c90f90a91d75c3c73dd633827c90e8746d9f54d
• git.kernel.orghttps://git.kernel.org/stable/c/1a1dbc4473974867fe8c5f195c17b341c8e82867
• git.kernel.orghttps://git.kernel.org/stable/c/3d213a4ddf49a860be6e795482c17f87e0c82b2a
• git.kernel.orghttps://git.kernel.org/stable/c/f18139966d072dab8e4398c95ce955a9742e04f7