CVE-2021-47012

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

0.27% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 18.9% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/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

2024-02-28 08:13Z2 YR AGO

Last updated

2026-08-05 08:45Z1 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

41031f9c996b11e2054d233e429ee223c2f170a1908b88f34953f2992cbcaf3a

• git.kernel.orghttps://git.kernel.org/stable/c/30b9e92d0b5e5d5dc1101ab856c17009537cbca4
• git.kernel.orghttps://git.kernel.org/stable/c/608a4b90ece039940e9425ee2b39c8beff27e00c
• git.kernel.orghttps://git.kernel.org/stable/c/3e22b88e02c194f6c80867abfef5cc09383461f4
• git.kernel.orghttps://git.kernel.org/stable/c/ad9ce7188432650469a6c7625bf479f5ed0b6155
• git.kernel.orghttps://git.kernel.org/stable/c/3093ee182f01689b89e9f8797b321603e5de4f63