SB20250916419 - Memory leak in Linux kernel mmc host driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916419
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-2022-50347)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the rtsx_usb_sdmmc_drv_probe() function in drivers/mmc/host/rtsx_usb_sdmmc.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/1491667d5450778a265eddddd294219acfd648cb
- https://git.kernel.org/stable/c/7fa922c7a3dd623fd59f1af50e8896fd9ca7f654
- https://git.kernel.org/stable/c/89303ddbb502c3bc8edbf864f9f85500c8fe07e9
- https://git.kernel.org/stable/c/937112e991ed25d1727d878734adcbef3b900274
- https://git.kernel.org/stable/c/a522e26a20a43dcfbef9ee9f71ed803290e852b0
- https://git.kernel.org/stable/c/d7ad7278be401b09c9f9a9f522cf4c449c7fd489
- https://git.kernel.org/stable/c/df683201c7ffbd21a806a7cad657b661c5ebfb6f
- https://git.kernel.org/stable/c/e598c9683fe1cf97c2b11b800cc3cee072108220
- https://git.kernel.org/stable/c/fc38a5a10e9e5a75eb9189854abeb8405b214cc9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.270
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.337
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.229
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2