SB2025121032 - Memory leak in Linux kernel char hw_random driver
Published: December 10, 2025 Updated: December 12, 2025
Security Bulletin ID
SB2025121032
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-2022-50659)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the geode_rng_init() function in drivers/char/hw_random/geode-rng.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/19b7b85773b18457ff85a9ff4f5e2a2d4bf7ed0c
- https://git.kernel.org/stable/c/5cc818ad53df650cac8fb41d9066665366af3f03
- https://git.kernel.org/stable/c/6b9e43c4098f1310f5b4d52121d007a219fa5d43
- https://git.kernel.org/stable/c/82bd423ed977847652b2048b0f8dcf049b1847a9
- https://git.kernel.org/stable/c/874f798c2db5ad595e46982d7f727a679dacb048
- https://git.kernel.org/stable/c/88f4ea623f59155280d99d1a59a968f838472c4a
- https://git.kernel.org/stable/c/9f6ec8dc574efb7f4f3d7ee9cd59ae307e78f445
- https://git.kernel.org/stable/c/aa96aff394a511cc7bb7df08d1b8504d4d97671e
- https://git.kernel.org/stable/c/e2f44baf62567c5cfbc274974c7d96dddad53ccc
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.303