CVE-2023-53519

EUVD-2025-32746
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
2.6.39 ≤
𝑥
< 4.14.324
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.293
linuxlinux_kernel
4.20 ≤
𝑥
< 5.4.255
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.192
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.128
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.47
linuxlinux_kernel
6.2 ≤
𝑥
< 6.4.12
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.148-1
fixed
bookworm (security)
6.1.153-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.237-1
fixed
forky
6.16.8-1
fixed
sid
6.16.9-1
fixed
trixie
6.12.43-1
fixed
trixie (security)
6.12.48-1
fixed