#VU116501 Memory leak in Linux kernel - CVE-2022-50482
Published: October 4, 2025 / Updated: October 27, 2025
Vulnerability identifier: #VU116501
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-2022-50482
CWE-ID: CWE-401
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 memory leak within the si_domain_init() and init_dmars() functions in drivers/iommu/intel/iommu.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/0365d6af75f9f2696e94a0fef24a2c8464c037c8
- https://git.kernel.org/stable/c/5cecfe151874b835331efe086bbdcaeaf64f6b90
- https://git.kernel.org/stable/c/620bf9f981365c18cc2766c53d92bf8131c63f32
- https://git.kernel.org/stable/c/724483b585a1b1e063d42ac5aa835707ff2ec165
- https://git.kernel.org/stable/c/749bea542b67513e99240dc58bbfc099e842d508
- https://git.kernel.org/stable/c/c4ad3ae4c6be9d8b0701761c839771116bca6ea3
- https://git.kernel.org/stable/c/d74196bb278b8f8af88e16bd595997dfa3d6fdb0
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.152