CVE-2025-39945

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 ImpacttotalSuccessful exploitation gives total 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

0.16% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 5.3% 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

Modified. 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

2025-10-04 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
• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class

Data version

5.2

Document digest

b8d3a2deab89ac0214bb86766a938ef5fb86e5754d2883dbadfa6c4e44298bec

• git.kernel.orghttps://git.kernel.org/stable/c/fde6e73189f40ebcf0633aed2b68e731c25f3aa3
• git.kernel.orghttps://git.kernel.org/stable/c/7b6a5b0a6b392263c3767fc945b311ea04b34bbd
• git.kernel.orghttps://git.kernel.org/stable/c/0405055930264ea8fd26f4131466fa7652e5e47d
• git.kernel.orghttps://git.kernel.org/stable/c/e1fcd4a9c09feac0902a65615e866dbf22616125
• git.kernel.orghttps://git.kernel.org/stable/c/8eeb2091e72d75df8ceaa2172638d61b4cf8929a
• git.kernel.orghttps://git.kernel.org/stable/c/6e33a7eed587062ca8161ad1f4584882a860d697
• git.kernel.orghttps://git.kernel.org/stable/c/0627e1481676669cae2df0d85b5ff13e7d24c390
• git.kernel.orghttps://git.kernel.org/stable/c/cfa7d9b1e3a8604afc84e9e51d789c29574fb216