CVE-2021-47118

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 16.0% of scored records. A rank, not a probability.

NVD base score

7.8 (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:H/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

2024-03-15 20:14Z2 YR AGO

Last updated

2026-05-11 13:48Z3 MO AGO

Reserved

2024-03-04

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

2923118195dc0a14717178992c5c708c18852f2fd62782b9d6974b0afd792766

• git.kernel.orghttps://git.kernel.org/stable/c/764c2e892d1fe895392aff62fb353fdce43bb529
• git.kernel.orghttps://git.kernel.org/stable/c/f86c80515a8a3703e0ca2e56deb50fc2879c5ea4
• git.kernel.orghttps://git.kernel.org/stable/c/4dbd8808a591b49b717862e6e0081bcf14a87788
• git.kernel.orghttps://git.kernel.org/stable/c/d106f05432e60f9f62d456ef017687f5c73cb414
• git.kernel.orghttps://git.kernel.org/stable/c/2cd6eedfa6344f5ef5c3dac3aee57a39b5b46dff
• git.kernel.orghttps://git.kernel.org/stable/c/7178be006d495ffb741c329012da289b62dddfe6
• git.kernel.orghttps://git.kernel.org/stable/c/b8ff869f20152fbe66b6c2e2715d26a2f9897cca
• git.kernel.orghttps://git.kernel.org/stable/c/0711f0d7050b9e07c44bc159bbc64ac0a1022c7f