CVE-2021-47297

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 13.4% 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

2024-05-21 14:35Z2 YR AGO

Last updated

2026-05-11 13:51Z3 MO AGO

Reserved

2024-05-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-908Use of Uninitialized ResourceBase
• CWE-99Improper Control of Resource Identifiers ('Resource Injection')Class

Data version

5.2

Document digest

7eaa43cb15faab0aa1ec9e474d0aaff30b2d3dcadd7fccbec324a940e6156c9f

• git.kernel.orghttps://git.kernel.org/stable/c/d9d646acad2c3590e189bb5d5c86ab8bd8a2dfc3
• git.kernel.orghttps://git.kernel.org/stable/c/5c6d8e2f7187b8e45a18c27acb7a3885f03ee3db
• git.kernel.orghttps://git.kernel.org/stable/c/ffe31dd70b70a40cd6b21b78c1713a23e021843a
• git.kernel.orghttps://git.kernel.org/stable/c/452c3ed7bf63721b07bc2238ed1261bb26027e85
• git.kernel.orghttps://git.kernel.org/stable/c/9413c0abb57f70a953b1116318d6aa478013c35d
• git.kernel.orghttps://git.kernel.org/stable/c/1582a02fecffcee306663035a295e28e1c4aaaff
• git.kernel.orghttps://git.kernel.org/stable/c/d4c7797ab1517515f0d08b3bc1c6b48883889c54
• git.kernel.orghttps://git.kernel.org/stable/c/991e634360f2622a683b48dfe44fe6d9cb765a09