CVE-2023-53519
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
How to fix
- linux linux_kernel4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.128, 6.1.47, 6.4.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 2.6.39 ≤ v < 4.14.324, 4.15 ≤ v < 4.19.293, 4.20 ≤ v < 5.4.255, 5.5 ≤ v < 5.10.192, 5.11 ≤ v < 5.15.128, 5.16 ≤ v < 6.1.47, 6.2 ≤ v < 6.4.12 | 4.14.324, 4.19.293, 5.4.255, 5.10.192, 5.15.128, 6.1.47, 6.4.12 |
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