CVE-2023-53519 (GCVE-0-2023-53519)

Vulnerability from cvelistv5 – Published: 2025-10-01 11:46 – Updated: 2026-01-05 10:21
VLAI?
Title
media: v4l2-mem2mem: add lock to protect parameter num_rdy
Summary
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
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < 690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2 (git)
Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < 7fc7f87725805197388ba749a1801df33000fa50 (git)
Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < ef009fe2010ea2a3a7045ecb72729cf366e0967b (git)
Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < e52de26cb37459b16213438a2c82feb155dd3bbd (git)
Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < 1676748aa29099fc0abd71e0fb092e76e835f25c (git)
Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < c71aa5f1cf961264690f2560503ea396b6e3c680 (git)
Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < e01ea1c4191ee08440b5f86db98dff695e9cedf9 (git)
Affected: 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 , < 56b5c3e67b0f9af3f45cf393be048ee8d8a92694 (git)
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    Linux Linux Affected: 2.6.39
Unaffected: 0 , < 2.6.39 (semver)
Unaffected: 4.14.324 , ≤ 4.14.* (semver)
Unaffected: 4.19.293 , ≤ 4.19.* (semver)
Unaffected: 5.4.255 , ≤ 5.4.* (semver)
Unaffected: 5.10.192 , ≤ 5.10.* (semver)
Unaffected: 5.15.128 , ≤ 5.15.* (semver)
Unaffected: 6.1.47 , ≤ 6.1.* (semver)
Unaffected: 6.4.12 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
            "include/media/v4l2-mem2mem.h"
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      "cpeApplicability": [
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      "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\u0026]BUG: KCSAN: data-race in v4l2_m2m_buf_queue\nkworker/u16:3: [name:report\u0026]\n\nkworker/u16:3: [name:report\u0026]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7:\nkworker/u16:3:\u00a0 v4l2_m2m_buf_queue+0xd8/0x10c"
        }
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      "providerMetadata": {
        "dateUpdated": "2026-01-05T10:21:06.210Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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        {
          "url": "https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50"
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      "title": "media: v4l2-mem2mem: add lock to protect parameter num_rdy",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53519",
    "datePublished": "2025-10-01T11:46:06.419Z",
    "dateReserved": "2025-10-01T11:39:39.407Z",
    "dateUpdated": "2026-01-05T10:21:06.210Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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