CVE-2021-47210

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 13.0% 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 2026-08-11.

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

2024-04-10 19:01Z2 YR AGO

Last updated

2026-08-11 02:05Z2 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-125Out-of-bounds ReadBase
• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

e83ec4754f7ebc1b3b2d793b378f78ccc9a14a82c5284d787f9211fbd8f5283b

• git.kernel.orghttps://git.kernel.org/stable/c/2a897d384513ba7f7ef05611338b9a6ec6aeac00
• git.kernel.orghttps://git.kernel.org/stable/c/30dcfcda8992dc42f18e7d35b6a1fa72372d382d
• git.kernel.orghttps://git.kernel.org/stable/c/eff8b7628410cb2eb562ca0d5d1f12e27063733e
• git.kernel.orghttps://git.kernel.org/stable/c/2c71811c963b6c310a29455d521d31a7ea6c5b5e
• git.kernel.orghttps://git.kernel.org/stable/c/b7a0a63f3fed57d413bb857de164ea9c3984bc4e