NetSight
medium5.5

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 K…

Impact

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

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 2.6.39 before 4.14.324
from 4.15 before 4.19.293
from 4.20 before 5.4.255
from 5.5 before 5.10.192
from 5.11 before 5.15.128
from 5.16 before 6.1.47

Weakness classification

References