CVE-2021-47468

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

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.2% 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

2024-05-22 06:23Z2 YR AGO

Last updated

2026-05-11 13:55Z3 MO AGO

Reserved

2024-05-22

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-99Improper Control of Resource Identifiers ('Resource Injection')Class

Data version

5.2

Document digest

41f43ad775f9cf1fccf4a3d9723c9de035f673bbd539389de7f35cc54c4388e9

• git.kernel.orghttps://git.kernel.org/stable/c/6f95c97e0f9d6eb39c3f2cb45e8fa4268d1b372b
• git.kernel.orghttps://git.kernel.org/stable/c/ef269a8808cb1759245a98a7fe16fceaebad894c
• git.kernel.orghttps://git.kernel.org/stable/c/37e4f57b22cc5ebb3f80cf0f74fdeb487f082367
• git.kernel.orghttps://git.kernel.org/stable/c/a5b34409d3fc52114c828be4adbc30744fa3258b
• git.kernel.orghttps://git.kernel.org/stable/c/4054b869dc263228d30a4755800b78f0f2ba0c89
• git.kernel.orghttps://git.kernel.org/stable/c/9f591cbdbed3d7822b2bdba89b34a6d7b434317d
• git.kernel.orghttps://git.kernel.org/stable/c/f5966ba53013149bcf94e1536644a958dd00a026
• git.kernel.orghttps://git.kernel.org/stable/c/6510e80a0b81b5d814e3aea6297ba42f5e76f73c