SB2025082069 - Red Hat Enterprise Linux 8 update for kernel
Published: August 20, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2024-57980)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the uvc_status_init() function in drivers/media/usb/uvc/uvc_status.c. A local user can escalate privileges on the system.
2) Use-after-free (CVE-ID: CVE-2025-21928)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the ishtp_hid_remove() function in drivers/hid/intel-ish-hid/ishtp-hid.c. A local user can escalate privileges on the system.
3) Use-after-free (CVE-ID: CVE-2021-47670)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the pcan_usb_fd_decode_canmsg() and pcan_usb_fd_decode_status() functions in drivers/net/can/usb/peak_usb/pcan_usb_fd.c. A local user can escalate privileges on the system.
4) Memory leak (CVE-ID: CVE-2022-49788)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the qp_notify_peer_local() and qp_notify_peer() functions in drivers/misc/vmw_vmci/vmci_queue_pair.c. A local user can perform a denial of service (DoS) attack.
5) 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.
6) 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.