Improper locking in Linux kernel - CVE-2022-48898
Published: August 21, 2024 / Updated: May 12, 2025
Vulnerability identifier: #VU96360
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-2022-48898
CWE-ID: CWE-667
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 locking within the dp_aux_isr() function in drivers/gpu/drm/msm/dp/dp_aux.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-48898
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/785607e5e6fb52caf141e4580de40405565f04f1
- https://git.kernel.org/stable/c/984ad875db804948c86ca9e1c2e784ae8252715a
- https://git.kernel.org/stable/c/b7dcbca46db3c77fdb02c2a9d6239e5aa3b06a59
- https://git.kernel.org/stable/c/1cba0d150fa102439114a91b3e215909efc9f169
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.164
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.89
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2