CVE-2025-21789

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

7.1 (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:N/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2025-02-27 02:18Z1 YR AGO

Last updated

2026-08-05 11:54Z1 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.3)

CNA CVSS vector

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

Weaknesses

• CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

795f7b432eafa5b60d9e0051d3244593d3b32fc9f8c32bdf7d908ce9df7d0bbe

• git.kernel.orghttps://git.kernel.org/stable/c/964a8895704a22efc06a2a3276b624a5ae985a06
• git.kernel.orghttps://git.kernel.org/stable/c/9f15a8df542c0f08732a67d1a14ee7c22948fb97
• git.kernel.orghttps://git.kernel.org/stable/c/d6508ffff32b44b6d0de06704034e4eef1c307a7
• git.kernel.orghttps://git.kernel.org/stable/c/6287f1a8c16138c2ec750953e35039634018c84a