Linux · 
Red Hat · Security advisory · July 21, 2026
Red Hat · Security advisory · July 21, 2026RHSA-2026:42550: Security update for 12 packages
RHSA-2026:42550, released July 21, 2026, fixes 2 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
2
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0043
37th percentile
Priority of the 2 CVEs
Patch now 0
Urgent 0
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.146.1.rt7.487.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-53071 | Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp | 8.8 | 0.0043 | None reported |
| High | CVE-2026-46117 | linux: In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Remove user triggerable WARN_ON() in... | 7.8 | 0.0014 | None reported |
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