CVE-2025-21720

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.36% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 28.8% 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

Modified. NVD last modified this record on 2026-07-30.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2025-02-27 02:07Z1 YR AGO

Last updated

2026-08-05 11:53Z1 MO AGO

Reserved

2024-12-29

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

d0b8e100a7956a799ebe33707e360308dac084ac29dd681155c69c40588d22de

• git.kernel.orghttps://git.kernel.org/stable/c/c6e1b2cac24b2a4d1dd472071021bf00c26450eb
• git.kernel.orghttps://git.kernel.org/stable/c/6945701ca1572f81bc9bb46f624b02eabb3eaf3e
• git.kernel.orghttps://git.kernel.org/stable/c/981ad4c882096e7375b8c2181dd4c3ee58ea5bae
• git.kernel.orghttps://git.kernel.org/stable/c/600258d555f0710b9c47fb78d2d80a4aecd608cc