Linux · 
Red Hat · Security advisory · June 24, 2026
Red Hat · Security advisory · June 24, 2026RHSA-2026:23259: Security update for 12 packages
RHSA-2026:23259, released June 24, 2026, fixes 1 CVE across 12 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.8
Base score, 0 to 10
Highest EPSS
0.0041
35th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.129.1.rt7.470.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-46243 | smb: client: reject userspace cifs.spnego descriptions | 7.8 | 0.0041 | None reported |
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