CVE-2021-47035

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

0.26% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 17.3% 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

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

2024-02-28 08:13Z2 YR AGO

Last updated

2026-08-05 08:45Z1 MO AGO

Reserved

2024-02-27

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

6e567debe53d3fa4942e5e734c07c7f406a09113b21f8d91e196ea8c7380ec5e

• git.kernel.orghttps://git.kernel.org/stable/c/89bd620798704a8805fc9db0d71d7f812cf5b3d2
• git.kernel.orghttps://git.kernel.org/stable/c/25faff78138933244c678c7fc78f7c0340fa04a0
• git.kernel.orghttps://git.kernel.org/stable/c/66c24699f266ff310381a9552d3576eea8ad6e20
• git.kernel.orghttps://git.kernel.org/stable/c/eea53c5816889ee8b64544fa2e9311a81184ff9c
• git.kernel.orghttps://git.kernel.org/stable/c/c848416cc05afc1589edba04fe00b85c2f797ee3