- Issued:
- 2026-07-27
- Updated:
- 2026-07-27
RHSA-2026:46461 - Security Advisory
Synopsis
Moderate: kernel-rt security update
Type/Severity
Security Advisory: Moderate
Red Hat Lightspeed patch analysis
Identify and remediate systems affected by this advisory.
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
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/