CVE-2023-53519media: v4l2-mem2mem: add lock to protect parameter num_rdy
- 5.5MediumCVSS base score
- 0.12%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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
Timeline
ID reserved
By Linux
Published
- 7 months later
· 7 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.12% · top 98% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < 690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < 7fc7f87725805197388ba749a1801df33000fa50
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < ef009fe2010ea2a3a7045ecb72729cf366e0967b
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < e52de26cb37459b16213438a2c82feb155dd3bbd
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < 1676748aa29099fc0abd71e0fb092e76e835f25c
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < c71aa5f1cf961264690f2560503ea396b6e3c680
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < e01ea1c4191ee08440b5f86db98dff695e9cedf9
- affected 908a0d7c588ef87e5cf0a26805e6002a78ac9d13 – < 56b5c3e67b0f9af3f45cf393be048ee8d8a92694
- affected 2.6.39
- unaffected < 2.6.39
- unaffected 4.14.324 – ≤ 4.14.*
- unaffected 4.19.293 – ≤ 4.19.*
- unaffected 5.4.255 – ≤ 5.4.*
- unaffected 5.10.192 – ≤ 5.10.*
- unaffected 5.15.128 – ≤ 5.15.*
- unaffected 6.1.47 – ≤ 6.1.*
- unaffected 6.4.12 – ≤ 6.4.*
- unaffected 6.5 – ≤ *
References
References8
- https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2 (opens in a new tab)
- https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50 (opens in a new tab)
- https://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b (opens in a new tab)
- https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd (opens in a new tab)
- https://git.kernel.org/stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c (opens in a new tab)
- https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680 (opens in a new tab)
- https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9 (opens in a new tab)
- https://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-32746 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2023-53519)Record last updated .