Input validation error in Linux kernel - CVE-2022-48987
Published: October 22, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU99035
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-48987
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the v4l2_valid_dv_timings() function in drivers/media/v4l2-core/v4l2-dv-timings.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-48987
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/0d73b49c4037199472b29574ae21c21aef493971
- https://git.kernel.org/stable/c/a2b56627c0d13009e02f6f2c0206c0451ed19a0e
- https://git.kernel.org/stable/c/2572ab14b73aa45b6ae7e4c089ccf119fed5cf89
- https://git.kernel.org/stable/c/4afc77068e36cee45b39d4fdc7513de26980f72c
- https://git.kernel.org/stable/c/32f01f0306a98629508f84d7ef0d1d037bc274a2
- https://git.kernel.org/stable/c/6fb8bc29bfa80707994a63cc97e2f9920e0b0608
- https://git.kernel.org/stable/c/d3d14cdf1c7ae2caa3e999bae95ba99e955fb7c3
- https://git.kernel.org/stable/c/5eef2141776da02772c44ec406d6871a790761ee
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.302
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.269
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.336
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.159
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1