CVE-2021-47600

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

Equal to or higher than the score of 19.1% 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 14:54Z2 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

b54e5b234f185d405d1b5144f7779d4d9eee88b22a26ca92b742f488ab0f7b7a

• git.kernel.orghttps://git.kernel.org/stable/c/a48f6a2bf33734ec5669ee03067dfb6c5b4818d6
• git.kernel.orghttps://git.kernel.org/stable/c/66ea642af6fd4eacb5d0271a922130fcf8700424
• git.kernel.orghttps://git.kernel.org/stable/c/b03abd0aa09c05099f537cb05b8460c4298f0861
• git.kernel.orghttps://git.kernel.org/stable/c/293f957be5e39720778fb1851ced7f5fba6d51c3
• git.kernel.orghttps://git.kernel.org/stable/c/501ecd90efdc9b2edc6c28852ecd098a4adf8f00
• git.kernel.orghttps://git.kernel.org/stable/c/0e21e6cd5eebfc929ac5fa3b97ca2d4ace3cb6a3
• git.kernel.orghttps://git.kernel.org/stable/c/607beb420b3fe23b948a9bf447d993521a02fbbb
• git.kernel.orghttps://git.kernel.org/stable/c/1b8d2789dad0005fd5e7d35dab26a8e1203fb6da