SB2025061868 - Memory leak in Linux kernel pci controller driver
Published: June 18, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025061868
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2022-50154)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mtk_pcie_init_irq_domains() and irq_domain_remove() functions in drivers/pci/controller/pcie-mediatek-gen3.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0675fe20da7fa69b1ba80c23470c1433a2356c03
- https://git.kernel.org/stable/c/2aa166c39d5a8221e6e22ab1a583656d4c8dc7f7
- https://git.kernel.org/stable/c/bf038503d5fe90189743124233fe7aeb0984e961
- https://git.kernel.org/stable/c/e593e22786edd9eca058cf054d6a2e12c138da67
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2