CVE-2023-53519

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < 690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2affected
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < 7fc7f87725805197388ba749a1801df33000fa50affected
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < ef009fe2010ea2a3a7045ecb72729cf366e0967baffected
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < e52de26cb37459b16213438a2c82feb155dd3bbdaffected
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < 1676748aa29099fc0abd71e0fb092e76e835f25caffected
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < c71aa5f1cf961264690f2560503ea396b6e3c680affected
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < e01ea1c4191ee08440b5f86db98dff695e9cedf9affected
LinuxLinux908a0d7c588ef87e5cf0a26805e6002a78ac9d13 < 56b5c3e67b0f9af3f45cf393be048ee8d8a92694affected
LinuxLinux2.6.39affected
LinuxLinux0 < 2.6.39unaffected
LinuxLinux4.14.324 <= 4.14.*unaffected
LinuxLinux4.19.293 <= 4.19.*unaffected
LinuxLinux5.4.255 <= 5.4.*unaffected
LinuxLinux5.10.192 <= 5.10.*unaffected
LinuxLinux5.15.128 <= 5.15.*unaffected
LinuxLinux6.1.47 <= 6.1.*unaffected
LinuxLinux6.4.12 <= 6.4.*unaffected
LinuxLinux6.5 <= *unaffected

Weaknesses

References