CVE-2025-39993

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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.3% 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

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

Red Hat severity

Moderate. 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

2025-10-15 07:58Z10 MO AGO

Last updated

2026-08-05 12:06Z1 MO AGO

Reserved

2025-04-16

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-416Use After FreeVariant

Data version

5.2

Document digest

65fb9c0f387b11ceb64b159eab4557447a36f2bd11f091c9b854fd6ba0cd0801

• git.kernel.orghttps://git.kernel.org/stable/c/9348976003e39754af344949579e824a0a210fc4
• git.kernel.orghttps://git.kernel.org/stable/c/b03fac6e2a38331faf8510b480becfa90cea1c9f
• git.kernel.orghttps://git.kernel.org/stable/c/71c52b073922d05e79e6de7fc7f5f38f927929a4
• git.kernel.orghttps://git.kernel.org/stable/c/71096a6161a25e84acddb89a9d77f138502d26ab
• git.kernel.orghttps://git.kernel.org/stable/c/71da40648741d15b302700b68973fe8b382aef3c
• git.kernel.orghttps://git.kernel.org/stable/c/fd5d3e6b149ec8cce045d86a2b5e3664d6b32ba5
• git.kernel.orghttps://git.kernel.org/stable/c/d9f6ce99624a41c3bcb29a8d7d79b800665229dd
• git.kernel.orghttps://git.kernel.org/stable/c/2e7fd93b9cc565b839bc55a6662475718963e156
• git.kernel.orghttps://git.kernel.org/stable/c/fa0f61cc1d828178aa921475a9b786e7fbb65ccb