CVE-2023-53519

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

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c	Patch
https://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694	Patch
https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2	Patch
https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50	Patch
https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680	Patch
https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9	Patch
https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd	Patch
https://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2025-10-01 12:15

Updated : 2026-01-26 20:06

NVD link : CVE-2023-53519

Mitre link : CVE-2023-53519

CVE.ORG link : CVE-2023-53519

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-667

Improper Locking

{"id": "CVE-2023-53519", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-10-01T12:15:56.173", "references": [{"url": "https://git.kernel.org/stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: v4l2-mem2mem: add lock to protect parameter num_rdy\n\nGetting below error when using KCSAN to check the driver. Adding lock to\nprotect parameter num_rdy when getting the value with function:\nv4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready.\n\nkworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue\nkworker/u16:3: [name:report&]\n\nkworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7:\nkworker/u16:3:\u00a0 v4l2_m2m_buf_queue+0xd8/0x10c"}], "lastModified": "2026-01-26T20:06:37.283", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2D1848FB-1473-45A5-A154-8CA96F49B896", "versionEndExcluding": "4.14.324", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39603052-E341-4096-8535-38D44A60E845", "versionEndExcluding": "4.19.293", "versionStartIncluding": "4.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1379E40A-2AC3-484E-929A-7F46B6C3B521", "versionEndExcluding": "5.4.255", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9396FFDC-6A0D-44B7-9368-21B456F6D4AE", "versionEndExcluding": "5.10.192", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1415629F-F97B-4880-BA1E-AF3DBB8EF305", "versionEndExcluding": "5.15.128", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2EEA01B0-0151-4E0F-B140-1A441EEDD717", "versionEndExcluding": "6.1.47", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF8ECF64-40AE-49AB-8315-4D83F9F56ECF", "versionEndExcluding": "6.4.12", "versionStartIncluding": "6.2"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}