#VU116768 Out-of-bounds read in Linux kernel - CVE-2022-50553
Published: October 8, 2025 / Updated: October 26, 2025
Vulnerability identifier: #VU116768
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-2022-50553
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 create_var_ref() and trace_action_create() functions in kernel/trace/trace_events_hist.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/04241956ce8825ff06e06e4083e7b692e9d5f712
- https://git.kernel.org/stable/c/0cb31bd88361edb96cfc622648717ba348f0f4dc
- https://git.kernel.org/stable/c/15697f653399253f9be4ed2a1e03d795f3cfee94
- https://git.kernel.org/stable/c/82470f7d9044842618c847a7166de2b7458157a7
- https://git.kernel.org/stable/c/b4efdc219fb8cfa066c7042e636ab8ad6d7e7494
- https://git.kernel.org/stable/c/cf79d5410a569dad1d4112b5c3c02383cca8213a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229