CVE-2021-47269

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 17.8% 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 14:19Z2 YR AGO

Last updated

2026-05-11 13:51Z3 MO AGO

Reserved

2024-05-21

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

be3b6a26a2e9384c22b1bad7cc5e5a564304f477066f0eec37d2fb90466d76d2

• git.kernel.orghttps://git.kernel.org/stable/c/96b74a99d360235c24052f1d060e64ac53f43528
• git.kernel.orghttps://git.kernel.org/stable/c/60156089f07e724e4dc8483702d5e1ede4522749
• git.kernel.orghttps://git.kernel.org/stable/c/990dc90750772622d44ca2ea6652c521e6f67e16
• git.kernel.orghttps://git.kernel.org/stable/c/bd551e7c85939de2182010273450bfa78c3742fc
• git.kernel.orghttps://git.kernel.org/stable/c/366369b89bedd59b1425386e8d4a18a466e420e4
• git.kernel.orghttps://git.kernel.org/stable/c/470403639114895e2697c766fbe17be8d0e9b67a
• git.kernel.orghttps://git.kernel.org/stable/c/788755756dd4a6aba1de479fec20b0fa600e7f19
• git.kernel.orghttps://git.kernel.org/stable/c/d00889080ab60051627dab1d85831cd9db750e2a