SB2025102743 - Red Hat Enterprise Linux 9 update for kernel
Published: October 27, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 7 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2025-38556)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the snto32() function in drivers/hid/hid-core.c. A local user can perform a denial of service (DoS) attack.
2) Incorrect calculation (CVE-ID: CVE-2025-38571)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the xs_alloc_sparse_pages(), xs_sock_process_cmsg(), xs_sock_recvmsg() and xs_read_discard() functions in net/sunrpc/xprtsock.c. A local user can perform a denial of service (DoS) attack.
3) Infinite loop (CVE-ID: CVE-2025-38614)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the ep_poll() and ep_loop_check_proc() functions in fs/eventpoll.c. A local user can perform a denial of service (DoS) attack.
4) Buffer overflow (CVE-ID: CVE-2025-39718)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the virtio_transport_rx_work() function in net/vmw_vsock/virtio_transport.c. A local user can perform a denial of service (DoS) attack.
5) Memory leak (CVE-ID: CVE-2025-39682)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the decrypt_skb() and tls_sw_recvmsg() functions in net/tls/tls_sw.c. A local user can perform a denial of service (DoS) attack.
6) Buffer overflow (CVE-ID: CVE-2025-39751)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the add_tuning_control() function in sound/pci/hda/patch_ca0132.c. A local user can escalate privileges on the system.
7) Use-after-free (CVE-ID: CVE-2023-53373)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the seqiv_aead_encrypt_complete2() function in crypto/seqiv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.