RHSA-2026:49857 — Security Advisory
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Severity
ModerateRed Hat Product Security
Products
Official CSAF product identity
Published · August 4, 2026
Updated · October 7, 2026
Topic
An update for kernel is now available for Red Hat Enterprise Linux 8.
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 packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: ipc: limit next_id allocation to the valid ID range (CVE-2026-52923)
Bug Fix(es) and Enhancement(s):
-
RHEL8.10 - KVM: s390: Limit adapter indicator access to mapped page (JIRA:RHEL-183880)
-
CIFS mounts do not work with the latest kernel (JIRA:RHEL-213976)
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.