SB2025121709 - Red Hat Enterprise Linux 10 update for kernel

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Main Vulnerability Database SB2025121709

SB2025121709 - Red Hat Enterprise Linux 10 update for kernel

Published: December 17, 2025

Security Bulletin ID SB2025121709
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2025-38499)

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

The vulnerability exists due to improper input validation within the clone_private_mount() function in fs/namespace.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2025-39966)

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

The vulnerability exists due to a use-after-free error within the iommufd_object_abort() and iommufd_ctx_put() functions in drivers/iommu/iommufd/main.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2025-39984)

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

The vulnerability exists due to a use-after-free error within the tun_get_user() function in drivers/net/tun.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References