SB2025081392 - Red Hat Enterprise Linux 8 update for kernel
Published: August 13, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2025-23150)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the do_split() function in fs/ext4/namei.c. A local user can escalate privileges on the system.
2) Buffer overflow (CVE-ID: CVE-2022-50020)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the ext4_resize_fs() function in fs/ext4/resize.c. A local user can escalate privileges on the system.
3) Use of uninitialized resource (CVE-ID: CVE-2025-38086)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the ch9200_mdio_read() function in drivers/net/usb/ch9200.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.