CVE-2025-39951

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

0.15% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 4.5% 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

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

2025-10-04 07:31Z11 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

c6d2d711cedcf3575e78d7d28a3f6c769a2f57ea1273ffa5b8afeccd3e7211b2

• git.kernel.orghttps://git.kernel.org/stable/c/14c231959a16ca41bfdcaede72483362a8c645d7
• git.kernel.orghttps://git.kernel.org/stable/c/5e94e44c9cb30d7a383d8ac227f24a8c9326b770
• git.kernel.orghttps://git.kernel.org/stable/c/aaf900a83508c8cd5cdf765e7749f9076196ec7f
• git.kernel.orghttps://git.kernel.org/stable/c/4f364023ddcfe83f7073b973a9cb98584b7f2a46
• git.kernel.orghttps://git.kernel.org/stable/c/00e98b5a69034b251bb36dc6e7123d7648e218e4
• git.kernel.orghttps://git.kernel.org/stable/c/c2ff91255e0157b356cff115d8dc3eeb5162edf2
• git.kernel.orghttps://git.kernel.org/stable/c/7ebf70cf181651fe3f2e44e95e7e5073d594c9c0