CVE-2021-46989

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

Equal to or higher than the score of 15.2% of scored records. A rank, not a probability.

NVD base score

7.1 (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: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 08:45Z2 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-229Improper Handling of ValuesBase

Data version

5.2

Document digest

fcf6108dd62f8cffada3f2b518e2c330f353ae67fde7d1d1ad907e683a794d11

• git.kernel.orghttps://git.kernel.org/stable/c/52dde855663e5db824af51db39b5757d2ef3e28a
• git.kernel.orghttps://git.kernel.org/stable/c/c451a6bafb5f422197d31536f82116aed132b72c
• git.kernel.orghttps://git.kernel.org/stable/c/adbd8a2a8cc05d9e501f93e5c95c59307874cc99
• git.kernel.orghttps://git.kernel.org/stable/c/c477f62db1a0c0ecaa60a29713006ceeeb04b685
• git.kernel.orghttps://git.kernel.org/stable/c/97314e45aa1223a42d60256a62c5d9af54baf446
• git.kernel.orghttps://git.kernel.org/stable/c/c3187cf32216313fb316084efac4dab3a8459b1d