CVE-2025-39714 (GCVE-0-2025-39714)

Vulnerability from cvelistv5 – Published: 2025-09-05 17:21 – Updated: 2026-08-05 12:04
VLAI
Title
media: usbtv: Lock resolution while streaming
Summary
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]
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < c35e7c7a004ef379a1ae7c7486d4829419acad1d (git)
Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < ee7bade8b9244834229b12b6e1e724939bedd484 (git)
Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < 5427dda195d6baf23028196fd55a0c90f66ffa61 (git)
Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < ef9b3c22405192afaa279077ddd45a51db90b83d (git)
Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < 3d83d0b5ae5045a7a246ed116b5f6c688a12f9e9 (git)
Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < c3d75524e10021aa5c223d94da4996640aed46c0 (git)
Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < 9f886d21e235c4bd038cb20f6696084304197ab3 (git)
Affected: 0e0fe3958fdd13dbf55c3a787acafde6efd04272 , < 7e40e0bb778907b2441bff68d73c3eb6b6cd319f (git)
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Linux Linux Affected: 3.14
Unaffected: 0 , < 3.14 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.149 , ≤ 6.1.* (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (semver)
Unaffected: 6.12.44 , ≤ 6.12.* (semver)
Unaffected: 6.16.4 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Siemens SIMATIC CN 4100 Affected: 0 , < V5.0 (custom)
Create a notification for this product.
Show details on NVD website
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:30:00+00:00",
      "cve": "CVE-2025-39714",
      "id": "CVE-2025-39714",
      "initial_release_date": "2025-09-05T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: usbtv: Lock resolution while streaming",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-39714.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-16T18:37:35Z",
      "cve": "CVE-2025-39714",
      "id": "CVE-2025-39714",
      "initial_release_date": "2025-09-08T23:22:19Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "618",
      "product_status:known_not_affected": "9",
      "product_status:recommended": "500",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-39714",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-39714.json",
      "version": "54"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.