CVE-2025-21865

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 15.8% 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 2026-06-17.

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

2025-03-12 09:42Z1 YR AGO

Last updated

2026-07-14 12:40Z1 MO AGO

Reserved

2024-12-29

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.2

Document digest

48c02d7adc703e37646416c4b940ec26bc2d747e77a8fa2da73903d3c8176623

• git.kernel.orghttps://git.kernel.org/stable/c/7f86fb07db65a470d0c11f79da551bd9466357dc
• git.kernel.orghttps://git.kernel.org/stable/c/33eb925c0c26e86ca540a08254806512bf911f22
• git.kernel.orghttps://git.kernel.org/stable/c/cb15bb1bde0ba97cbbed9508e45210dcafec3657
• git.kernel.orghttps://git.kernel.org/stable/c/b70fa591b066d52b141fc430ffdee35b6cc87a66
• git.kernel.orghttps://git.kernel.org/stable/c/9d03e7e37187ae140e716377599493987fb20c5b
• git.kernel.orghttps://git.kernel.org/stable/c/ff81b14010362f6188ca26fec22ff05e4da45595
• git.kernel.orghttps://git.kernel.org/stable/c/37e7644b961600ef0beb01d3970c3034a62913af
• git.kernel.orghttps://git.kernel.org/stable/c/4ccacf86491d33d2486b62d4d44864d7101b299d
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-265688.html
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html