RHSA-2025:10371: Important: kernel security update
Published Jul 7, 2025
·Updated
Important: kernel security update
Other sources
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: ipv6: mcast: extend RCU protection in igmp6send() (CVE-2025-21759) kernel: x86/microcode/AMD: Fix out-of-bounds on systems with CPU-less NUMA nodes (CVE-2025-21991) kernel: vmxnet3: Fix malformed packet sizing in vmxnet3processxdp (CVE-2025-37799) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
— Red Hat
Affected Software
216 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat CodeReady Linux Builder for ARM 64
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
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redhat/kernel-rt-debug<6.12.0-55.20.1.el10_0.aa
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redhat/rtla<6.12.0-55.20.1.el10_0.aa
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Remediation
Event History
Jul 7, 2025
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·05:39 AM
Data Sourced
via Red Hat·05:39 AM
Severity
Frequently Asked Questions
1
What vulnerabilities are addressed in RHSA-2025:10371?
RHSA-2025:10371 addresses vulnerabilities related to improper RCU protection in igmp6_send() and out-of-bounds issues in AMD microcode.
2
How do I fix RHSA-2025:10371?
To fix RHSA-2025:10371, upgrade to kernel version 6.12.0-55.20.1.el10_0 or later.
3
What is the severity of RHSA-2025:10371?
RHSA-2025:10371 is classified as an important security update.
4
Which Red Hat products are affected by RHSA-2025:10371?
RHSA-2025:10371 affects various Red Hat Enterprise Linux products including IBM z Systems and x86_64.
5
Is there a specific version of the kernel to deploy for RHSA-2025:10371?
Yes, you should deploy kernel version 6.12.0-55.20.1.el10_0 to remediate the vulnerabilities.