CVE-2025-39949

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

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

EPSS percentile

Ranks above 4.9% of scored records. A rank, not a probability.

NVD base score

5.5 (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:N/I:N/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-787Out-of-bounds WriteBase

Data version

5.2

Document digest

0a0ad41c1fe13b585b4bf156b6609894e28bd91f214e0c8a2e41c290dcd8a438

• git.kernel.orghttps://git.kernel.org/stable/c/25672c620421fa2105703a94a29a03487245e6d6
• git.kernel.orghttps://git.kernel.org/stable/c/e0e24571a7b2f8c8f06e25d3417253ebbdbc8d5c
• git.kernel.orghttps://git.kernel.org/stable/c/8141910869596b7a3a5d9b46107da2191d523f82
• git.kernel.orghttps://git.kernel.org/stable/c/ea53e6a47e148b490b1c652fc65d2de5a086df76
• git.kernel.orghttps://git.kernel.org/stable/c/660b2a8f5a306a28c7efc1b4990ecc4912a68f87
• git.kernel.orghttps://git.kernel.org/stable/c/70affe82e38fd3dc76b9c68b5a1989f11e7fa0f3
• git.kernel.orghttps://git.kernel.org/stable/c/56c0a2a9ddc2f5b5078c5fb0f81ab76bbc3d4c37