CVE-2023-53519
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
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | 2.6.39 | 4.14.324 |
| linux / linux_kernel | 4.15 | 4.19.293 |
| linux / linux_kernel | 4.20 | 5.4.255 |
| linux / linux_kernel | 5.5 | 5.10.192 |
| linux / linux_kernel | 5.11 | 5.15.128 |
| linux / linux_kernel | 5.16 | 6.1.47 |
| linux / linux_kernel | 6.2 | 6.4.12 |
- https://git.kernel.org/stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c
- https://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694
- https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2
- https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50
- https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680
- https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9
- https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd
- https://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b
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