CVE-2025-39978

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

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

EPSS percentile

Ranks above 3.9% 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 07:55Z10 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-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

00670d1d0ce5965dcbb165578ca6b18970080928c2abe1e58e93fa5fde78be4e

• git.kernel.orghttps://git.kernel.org/stable/c/5723120423a753a220b8b2954b273838b9d7e74a
• git.kernel.orghttps://git.kernel.org/stable/c/df2c071061ed52d2225d97b212d27ecedf456b8a
• git.kernel.orghttps://git.kernel.org/stable/c/c41b2941a024d4ec7c768e16ffb10a74b188fced
• git.kernel.orghttps://git.kernel.org/stable/c/a8a63f27c3a8a3714210d32b12fd0f16d0337414
• git.kernel.orghttps://git.kernel.org/stable/c/d9c70e93ec5988ab07ad2a92d9f9d12867f02c56
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html