RedHat Linux Kernel Multiple Vulnerabilities

RedHat Linux Kernel Multiple Vulnerabilities

Release Date: 2 Oct 2026

Multiple vulnerabilities were identified in Red Hat Enterprise Linux Kernel. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, elevation of privilege, security restriction bypass, sensitive information disclosure and data manipulation on the targeted system.

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Impact

• Denial of Service
• Information Disclosure
• Elevation of Privilege
• Data Manipulation
• Security Restriction Bypass

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System / Technologies affected

• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for ARM 64 9 aarch64
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x
• Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.8 s390x
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le
• Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.8 ppc64le
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for x86_64 9 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64
• Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.8 x86_64
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat Enterprise Linux for ARM 64 9 aarch64
• Red Hat Enterprise Linux for ARM 64 10 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64
• Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.8 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64
• Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.8 aarch64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for IBM z Systems 9 s390x
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x
• Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.4 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.8 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x
• Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for Power, little endian 9 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.4 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.8 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le
• Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.8 ppc64le
• Red Hat Enterprise Linux for Real Time 8 x86_64
• Red Hat Enterprise Linux for Real Time for NFV 8 x86_64
• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 8.10 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.8 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64
• Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.8 x86_64
• Red Hat Enterprise Linux Server - AUS 9.4 x86_64
• Red Hat Enterprise Linux Server - AUS 9.6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le
• Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.8 ppc64le

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Solutions

Before installation of the software, please visit the vendor web-site for more details.

 

Apply fixes issued by the vendor:

• https://access.redhat.com/errata/RHSA-2026:73187
• https://access.redhat.com/errata/RHSA-2026:73645
• https://access.redhat.com/errata/RHSA-2026:73732
• https://access.redhat.com/errata/RHSA-2026:73788
• https://access.redhat.com/errata/RHSA-2026:74132
• https://access.redhat.com/errata/RHSA-2026:74133
• https://access.redhat.com/errata/RHSA-2026:74174
• https://access.redhat.com/errata/RHSA-2026:74438

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Vulnerability Identifier

• CVE-2022-49670
• CVE-2024-57990
• CVE-2025-39964
• CVE-2026-31581
• CVE-2026-31663
• CVE-2026-43074
• CVE-2026-43493
• CVE-2026-43499
• CVE-2026-45856
• CVE-2026-46242
• CVE-2026-52924
• CVE-2026-52993
• CVE-2026-53002
• CVE-2026-53059
• CVE-2026-53071
• CVE-2026-53091
• CVE-2026-53166
• CVE-2026-53185
• CVE-2026-53239
• CVE-2026-53266
• CVE-2026-63794
• CVE-2026-63917
• CVE-2026-63919
• CVE-2026-63921
• CVE-2026-64102
• CVE-2026-64191
• CVE-2026-64558
• CVE-2026-68121
• CVE-2026-68294
• CVE-2026-68299
• CVE-2026-68426
• CVE-2026-68480
• CVE-2026-72098
• CVE-2026-72099
• CVE-2026-72329
• CVE-2026-74469
• CVE-2026-74480
• CVE-2026-74581
• CVE-2026-74746
• CVE-2026-80775
• CVE-2026-81000

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Source

• Redhat

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Related Link

• https://access.redhat.com/errata/RHSA-2026:73187
• https://access.redhat.com/errata/RHSA-2026:73645
• https://access.redhat.com/errata/RHSA-2026:73732
• https://access.redhat.com/errata/RHSA-2026:73788
• https://access.redhat.com/errata/RHSA-2026:74132
• https://access.redhat.com/errata/RHSA-2026:74133
• https://access.redhat.com/errata/RHSA-2026:74174
• https://access.redhat.com/errata/RHSA-2026:74438