SB2025070723 - Red Hat Enterprise Linux 10 update for kernel

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Main Vulnerability Database SB2025070723

SB2025070723 - Red Hat Enterprise Linux 10 update for kernel

Published: July 7, 2025

Security Bulletin ID SB2025070723
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) Use-after-free (CVE-ID: CVE-2025-21759)

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

The vulnerability exists due to a use-after-free error within the mld_send_cr() and igmp6_send() functions in net/ipv6/mcast.c. A local user can escalate privileges on the system.


2) Out-of-bounds read (CVE-ID: CVE-2025-21991)

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 load_microcode_amd() function in arch/x86/kernel/cpu/microcode/amd.c. A local user can perform a denial of service (DoS) attack.


3) Memory leak (CVE-ID: CVE-2025-37799)

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

The vulnerability exists due to memory leak within the vmxnet3_process_xdp() function in drivers/net/vmxnet3/vmxnet3_xdp.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References