CVE-2021-47170

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 14.6% 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 2026-06-17.

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

2024-03-25 09:16Z2 YR AGO

Last updated

2026-05-11 13:49Z3 MO AGO

Reserved

2024-03-25

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-770Allocation of Resources Without Limits or ThrottlingBase
• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

6a920230c9aacdbe6f96afb1a91d69ad34e2beb55feabd4dc2595ad011977df7

• git.kernel.orghttps://git.kernel.org/stable/c/2ab21d6e1411999b5fb43434f421f00bf50002eb
• git.kernel.orghttps://git.kernel.org/stable/c/2c835fede13e03f2743a333e4370b5ed2db91e83
• git.kernel.orghttps://git.kernel.org/stable/c/8d83f109e920d2776991fa142bb904d985dca2ed
• git.kernel.orghttps://git.kernel.org/stable/c/9f7cb3f01a10d9064cf13b3d26fb7e7a5827d098
• git.kernel.orghttps://git.kernel.org/stable/c/4f2629ea67e7225c3fd292c7fe4f5b3c9d6392de