Red Hat Product Errata RHSA-2026:46461 - Security Advisory Issued: 2026-07-27 Updated: 2026-07-27 RHSA-2026:46461 - Security Advisory Overview Updated Packages Synopsis Moderate: kernel-rt security update Type/Severity Security Advisory: Moderate Red Hat Lightspeed patch analysis Identify and remediate systems affected by this advisory. View affected systems Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing (CVE-2026-43279) 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. Affected Products Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64 Fixes BZ - 2467215 - CVE-2026-43279 kernel: ALSA: usb-audio: Add sanity check for OOB writes at silencing CVEs CVE-2026-43279 References https://access.redhat.com/security/updates/classification/#moderate Note: More recent versions of these packages may be available. Click a package name for more details. Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 SRPM kernel-rt-3.10.0-1160.157.1.rt56.1309.el7.src.rpm SHA-256: 9418038b6346620a29cf40076e374b7ccc8627f01d3160e01846c4b69a1dfa83 x86_64 kernel-rt-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: b74fa1faa8a5e8cf1fe57c59acf213bcbf11b54b4214ccc140c50b39b6aba006 kernel-rt-debug-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: 1a0d732434fa43d2307024c3d3616b07f7908c7e90612d7a0b51075be75c8d6e kernel-rt-debug-debuginfo-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: 06631459d133acb847426a273e14017a2b68b9456a2a34dd055545d71c7e0ee5 kernel-rt-debug-devel-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: 394ff4e6ea8d0b391e6a9e361aabee74401c8a3e232e1986c30d63267eac006e kernel-rt-debuginfo-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: e8871354609e36ab1143bcedbb8f9b08c95fdfddbde8679c6cb6739f9e01af38 kernel-rt-debuginfo-common-x86_64-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: 7f9392e650fadf674f05829ba4277d0b223119e38ea030ce78f07236f757af9b kernel-rt-devel-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: f039f15a1376ec309b8ccd97ea3c93d17dc55a9663087f6be5d7f84bf3469bd3 kernel-rt-doc-3.10.0-1160.157.1.rt56.1309.el7.noarch.rpm SHA-256: f57a6226373cbe0887f12e13e8d9d7e8bd0e1e9004017a2a3813bf854ec079db kernel-rt-trace-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: 3b83ca0bb96d4116e54d6833e808e61dd73db9e17e22538f39b99a33e3ca2560 kernel-rt-trace-debuginfo-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: e437f07631785eb7b3845efd0485cb2889b52c42567fce61046768acf83014b4 kernel-rt-trace-devel-3.10.0-1160.157.1.rt56.1309.el7.x86_64.rpm SHA-256: 6031d6015bcfdc840dc8b49e9d8825acdbb14f6258b46848f637b14beb101e03 The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .