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5.5
CVE-2023-53519: Linux Kernel Bug: Data Corruption in Video Capture Driver
CVE-2023-53519
Summary
A bug in the Linux kernel's video capture driver could potentially cause data corruption. This bug was fixed to prevent a data race condition that could lead to incorrect data being read. To ensure your system remains secure, apply the latest Linux kernel updates.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| linux | linux_kernel |
>= 2.6.39, < 4.14.324 >= 4.15, < 4.19.293 >= 4.20, < 5.4.255 >= 5.5, < 5.10.192 >= 5.11, < 5.15.128 >= 5.16, < 6.1.47 >= 6.2, < 6.4.12 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Original title
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 loc...
Original 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
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
nvd CVSS3.1
5.5
Vulnerability type
CWE-667
Improper Locking
- 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
Published: 1 Oct 2025 · Updated: 15 Jun 2026 · First seen: 7 Mar 2026