media: v4l2-mem2mem: add lock to protect parameter num_rdy
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.1%
probabilidade de exploração
0.1%top 98% das CVEs
exploração observada
nãonenhuma fonte reporta
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
Produtos afetados
Linux · LinuxReferências
https://git.kernel.org/stable/c/1676748aa29099fc0abd71e0fb092e76e835f25chttps://git.kernel.org/stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694https://git.kernel.org/stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2https://git.kernel.org/stable/c/7fc7f87725805197388ba749a1801df33000fa50https://git.kernel.org/stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680https://git.kernel.org/stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9https://git.kernel.org/stable/c/e52de26cb37459b16213438a2c82feb155dd3bbdhttps://git.kernel.org/stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b