#VU116770 Out-of-bounds read in Linux kernel - CVE-2022-50511
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116770
Vulnerability risk: Low
CVSSv4.0: 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-2022-50511
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the get_default_font() function in lib/fonts/fonts.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/6fe888c4d2fb174408e4540bb2d5602b9f507f90
- https://git.kernel.org/stable/c/890d91b31f4874361e0df047f57d268a7021cb12
- https://git.kernel.org/stable/c/9c14a85e18a58c102ec223144b7edb5b345c1bea
- https://git.kernel.org/stable/c/c9a9aa02f0fa3318e0ae5774f404419a1b4759ca
- https://git.kernel.org/stable/c/e039929e36818507e90901edae87f6fa8bc81093
- https://git.kernel.org/stable/c/e83b47580a0738361772d6f24286adfdaba57e36
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86