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CVE-2025-39714 Details

Description

In the Linux kernel, the following vulnerability has been resolved: media: usbtv: Lock resolution while streaming When an program is streaming (ffplay) and another program (qv4l2) changes the TV standard from NTSC to PAL, the kernel crashes due to trying to copy to unmapped memory. Changing from NTSC to PAL increases the resolution in the usbtv struct, but the video plane buffer isn't adjusted, so it overflows. [hverkuil: call vb2_is_busy instead of vb2_is_streaming]

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-032379.html	siemens-SADP
https://git.kernel.org/stable/c/3d83d0b5ae5045a7a246ed116b5f6c688a12f9e9	kernel.org	Patch
https://git.kernel.org/stable/c/5427dda195d6baf23028196fd55a0c90f66ffa61	kernel.org	Patch
https://git.kernel.org/stable/c/7e40e0bb778907b2441bff68d73c3eb6b6cd319f	kernel.org	Patch
https://git.kernel.org/stable/c/9f886d21e235c4bd038cb20f6696084304197ab3	kernel.org	Patch
https://git.kernel.org/stable/c/c35e7c7a004ef379a1ae7c7486d4829419acad1d	kernel.org	Patch
https://git.kernel.org/stable/c/c3d75524e10021aa5c223d94da4996640aed46c0	kernel.org	Patch
https://git.kernel.org/stable/c/ee7bade8b9244834229b12b6e1e724939bedd484	kernel.org	Patch
https://git.kernel.org/stable/c/ef9b3c22405192afaa279077ddd45a51db90b83d	kernel.org	Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html	CVE	Mailing ListThird Party Advisory

see all 11 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 3.14, < 5.4.297 >= 5.5, < 5.10.241 >= 5.11, < 5.15.190 >= 5.16, < 6.1.149 >= 6.2, < 6.6.103
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
debian debian linux	11.0
CPE cpe:2.3:o:debian:debian_linux:11.0:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jul 30, 2026	CVE Modified	kernel.org
Jun 17, 2026	CVE Modified	siemens-SADP
Jun 17, 2026	CVE Modified	kernel.org
May 12, 2026	CVE Modified	siemens-SADP
Jan 12, 2026	Initial Analysis	[email protected]
Nov 3, 2025	CVE Modified	CVE
Sep 5, 2025	New CVE Received	kernel.org