CVE-2021-46906

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 15.9% 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:H/I:N/A:N

NVD analysis status

Modified. 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

2024-02-26 17:20Z2 YR AGO

Last updated

2026-05-11 13:44Z3 MO AGO

Reserved

2024-02-25

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-668Exposure of Resource to Wrong SphereClass
• CWE-402Transmission of Private Resources into a New Sphere ('Resource Leak')Class

Data version

5.2

Document digest

5d0cef3b6d9c2fb92c1e1b198a62eb2be13d59adcf26c69149d0020a4327f5ab

• git.kernel.orghttps://git.kernel.org/stable/c/c5d3c142f2d57d40c55e65d5622d319125a45366
• git.kernel.orghttps://git.kernel.org/stable/c/41b1e71a2c57366b08dcca1a28b0d45ca69429ce
• git.kernel.orghttps://git.kernel.org/stable/c/8c064eece9a51856f3f275104520c7e3017fc5c0
• git.kernel.orghttps://git.kernel.org/stable/c/0e280502be1b003c3483ae03fc60dea554fcfa82
• git.kernel.orghttps://git.kernel.org/stable/c/7f5a4b24cdbd7372770a02f23e347d7d9a9ac8f1
• git.kernel.orghttps://git.kernel.org/stable/c/b1e3596416d74ce95cc0b7b38472329a3818f8a9
• git.kernel.orghttps://git.kernel.org/stable/c/21883bff0fd854e07429a773ff18f1e9658f50e8
• git.kernel.orghttps://git.kernel.org/stable/c/6be388f4a35d2ce5ef7dbf635a8964a5da7f799f