SB20251230123 - Memory leak in Linux kernel dio driver
Published: December 30, 2025 Updated: December 31, 2025
Security Bulletin ID
SB20251230123
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-2022-50848)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the dio_init() function in drivers/dio/dio.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/4b68caa95064ac464f1b261d08ac677e753d1088
- https://git.kernel.org/stable/c/78fddc0ff971f9874d53c854818cc4aafa144114
- https://git.kernel.org/stable/c/8e002b9fe831b27d4506df6fa60cb33ba0730ac3
- https://git.kernel.org/stable/c/a0ead7e8da84f4c3759417b8e928b65e0207c646
- https://git.kernel.org/stable/c/a524e7fed696a4dfef671e0fda3511bfd2dca0cf
- https://git.kernel.org/stable/c/affe3cea6b3148fa66796a48640664822ceccd48
- https://git.kernel.org/stable/c/da64e01da40c6b71a54144126da53cc3b27201ac
- https://git.kernel.org/stable/c/e63e99397b2613d50a5f4f02ed07307e67a190f1
- https://git.kernel.org/stable/c/fce9890e1be4c0460dad850cc8c00414a9d25f0f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.163