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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
VendorProductAffected 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
nvd CVSS3.1 5.5
Vulnerability type
CWE-667 Improper Locking
Published: 1 Oct 2025 · Updated: 15 Jun 2026 · First seen: 7 Mar 2026