SB2025061976 - Memory leak in Linux kernel usb host driver
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB2025061976
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-2022-50033)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ohci_hcd_ppc_of_probe() function in drivers/usb/host/ohci-ppc-of.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/0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e
- https://git.kernel.org/stable/c/0fc62bbc95319bbd330e3645afc7c286acec9ef8
- https://git.kernel.org/stable/c/403132881e66db7aa98b55c6655daedd80d407fd
- https://git.kernel.org/stable/c/40a959d7042bb7711e404ad2318b30e9f92c6b9b
- https://git.kernel.org/stable/c/c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96
- https://git.kernel.org/stable/c/cb5dd65e889163e723df1c2f02288cc527a57785
- https://git.kernel.org/stable/c/ec583e300aee9f152a64911445092d18e1c36729
- https://git.kernel.org/stable/c/fe6fe64403710287f0ae61a516954d8a4f7c9e3f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.326