SB2025091406 - Red Hat Enterprise Linux 9 update for kernel

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Main Vulnerability Database SB2025091406

SB2025091406 - Red Hat Enterprise Linux 9 update for kernel

Published: September 14, 2025

Security Bulletin ID SB2025091406
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2025-37803)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory corruption within the udmabuf_create() function in drivers/dma-buf/udmabuf.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2025-38392)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the idpf_alloc_dma_mem() and idpf_free_dma_mem() functions in drivers/net/ethernet/intel/idpf/idpf_lib.c, within the idpf_ctlq_init_rxq_bufs(), idpf_ctlq_shutdown(), idpf_ctlq_add(), idpf_ctlq_send(), idpf_ctlq_clean_sq(), idpf_ctlq_post_rx_buffs(), wr32() and idpf_ctlq_recv() functions in drivers/net/ethernet/intel/idpf/idpf_controlq.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References