CVE-2021-47083

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 13.6% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/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

2024-03-04 18:06Z2 YR AGO

Last updated

2026-08-05 08:45Z1 MO AGO

Reserved

2024-02-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

96c0103c0be896223bdd29625cddadccb56ccb0aecf946302b802e0246f0c95b

• git.kernel.orghttps://git.kernel.org/stable/c/f373298e1bf0c6ea097c0bcc558dc43ad53e421f
• git.kernel.orghttps://git.kernel.org/stable/c/441d3873664d170982922c5d2fc01fa89d9439ed
• git.kernel.orghttps://git.kernel.org/stable/c/fb563baa3eb8e7a15f2cff3c2695e2cca0493e69
• git.kernel.orghttps://git.kernel.org/stable/c/2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d