In the Linux kernel, the following vulnerability has been resolved:

media: v4l2-mem2mem: add lock to protect parameter num_rdy

Getting below error when using KCSAN to check the driver. Adding lock to
protect parameter num_rdy when getting the value with function:
v4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready.

kworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue
kworker/u16:3: [name:report&]

kworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7:
kworker/u16:3:  v4l2_m2m_buf_queue+0xd8/0x10c

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00036.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux Subscribe
Linux Kernel Subscribe

No data.

No data.

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Vendors Products
Linux Subscribe
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Advisories
Source ID Title
EUVD EUVD EUVD-2025-31883
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c cve-icon cve-icon
https://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694 cve-icon cve-icon
https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2 cve-icon cve-icon
https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50 cve-icon cve-icon
https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680 cve-icon cve-icon
https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9 cve-icon cve-icon
https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd cve-icon cve-icon
https://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025100132-CVE-2023-53519-de9d@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-53519 cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-53519 cve-icon
History

Thu, 02 Oct 2025 09:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Thu, 02 Oct 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Wed, 01 Oct 2025 12:00:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: media: v4l2-mem2mem: add lock to protect parameter num_rdy Getting below error when using KCSAN to check the driver. Adding lock to protect parameter num_rdy when getting the value with function: v4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready. kworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue kworker/u16:3: [name:report&] kworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7: kworker/u16:3:  v4l2_m2m_buf_queue+0xd8/0x10c
Title media: v4l2-mem2mem: add lock to protect parameter num_rdy
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2025-10-01T11:46:06.419Z

Reserved: 2025-10-01T11:39:39.407Z

Link: CVE-2023-53519

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-10-01T12:15:56.173

Modified: 2025-10-02T19:11:46.753

Link: CVE-2023-53519

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-10-01T00:00:00Z

Links: CVE-2023-53519 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-02T08:38:32Z

Weaknesses

No weakness.