CVE-2021-46948

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

0.59% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 45.9% 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

2024-02-27 18:40Z2 YR AGO

Last updated

2026-08-05 08:45Z1 MO AGO

Reserved

2024-02-25

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

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

Weaknesses

• CWE-476NULL Pointer DereferenceBase

Data version

5.2

Document digest

f4b1d5ee219d788dc654c87fd95952fbae238073ae8740b45a786160dc673eb9

• git.kernel.orghttps://git.kernel.org/stable/c/bf2b941d0a6f2d3b9f5fa3c4c21bdd54f71ce253
• git.kernel.orghttps://git.kernel.org/stable/c/35c7a83ad1bb1d48ae249346e61b1132bcbf9052
• git.kernel.orghttps://git.kernel.org/stable/c/e531db1ea6f98c9612cb2de093a107c7eadfb96c
• git.kernel.orghttps://git.kernel.org/stable/c/83b09a1807415608b387c7bc748d329fefc5617e