CVE-2021-47576

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 16.9% 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

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

2024-06-19 14:53Z2 YR AGO

Last updated

2026-08-05 08:48Z2 MO AGO

Reserved

2024-05-24

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

7ba3db62f5a1dd1f8b8210e0c85beca1db54d823e4207d4cd09a413995482822

• git.kernel.orghttps://git.kernel.org/stable/c/adcecd50da6cab7b4957cba0606771dcc846c5a9
• git.kernel.orghttps://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bf
• git.kernel.orghttps://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9e
• git.kernel.orghttps://git.kernel.org/stable/c/b847ecff850719c46c95acd25a0d555dfd16e10d
• git.kernel.orghttps://git.kernel.org/stable/c/a9078e791426c2cbbdf28a320c3670f6e0a611e6
• git.kernel.orghttps://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281ac
• git.kernel.orghttps://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732