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Red Hat Enterprise Linux kernel-rt security update

published 6 months ago

Summary

A security update is available for the kernel-rt package in Red Hat Enterprise Linux. This update fixes a security issue that could allow an attacker to execute arbitrary code. It's recommended to update your kernel-rt package to the latest version to ensure the security of your system.

What to do

Update redhat kernel-rt to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-debug to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-debug-debuginfo to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-debug-devel to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-debuginfo to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-debuginfo-common-x86_64 to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-devel to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-doc to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-trace to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-trace-debuginfo to version 0:3.10.0-1160.148.1.rt56.1300.el7.
Update redhat kernel-rt-trace-devel to version 0:3.10.0-1160.148.1.rt56.1300.el7.

Affected software

Ecosystem	Vendor	Product	Affected versions
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-debug	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-debug-debuginfo	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-debug-devel	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-debuginfo	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-debuginfo-common-x86_64	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-devel	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-doc	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-trace	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-trace-debuginfo	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7
Red Hat:rhel_extras_rt_els:7	redhat	kernel-rt-trace-devel	< 0:3.10.0-1160.148.1.rt56.1300.el7 Fix: upgrade to 0:3.10.0-1160.148.1.rt56.1300.el7

Original advisory text

Red Hat Security Advisory: kernel-rt security update

References

https://access.redhat.com/errata/RHSA-2026:10756 Vendor Advisory
https://access.redhat.com/security/updates/classification/#moderate Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2373354 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2373553 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2376376 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2401510 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2439887 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2439931 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2440630 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2444376 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2444398 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_10756.... Vendor Advisory
https://access.redhat.com/security/cve/CVE-2022-50053 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2022-50053 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-50053 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025061847-CVE-2022-50053-9359@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-53539 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2023-53539 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-53539 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025100443-CVE-2023-53539-4411@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-38024 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-38024 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-38024 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025061847-CVE-2025-38024-2904@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-38180 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-38180 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-38180 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2025070410-CVE-2025-38180-c6d0@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2025-71238 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-71238 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-71238 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2026030437-CVE-2025-71238-76bc@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-23193 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2026-23193 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-23193 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2026021434-CVE-2026-23193-2c6c@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-23204 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2026-23204 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-23204 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2026021437-CVE-2026-23204-be85@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-23216 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2026-23216 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-23216 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2026021800-CVE-2026-23216-6c63@gregkh... Third Party Advisory
https://access.redhat.com/security/cve/CVE-2026-23231 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2026-23231 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-23231 Vendor Advisory
https://lore.kernel.org/linux-cve-announce/2026030436-CVE-2026-23231-1a96@gregkh... Third Party Advisory

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker full control (estimated)

Severity

7.5 High

Timeline

Published28 Apr 2026

Updated7 May 2026

First seen7 May 2026

Sources

RHSA-2026:10756 · OSV

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