Linux · 
Red Hat · Security advisory · July 18, 2026
Red Hat · Security advisory · July 18, 2026RHSA-2026:39180: Security update for 12 packages
RHSA-2026:39180, released July 18, 2026, fixes 3 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
3
None rated Critical
Exploited
0
None reported
Highest CVSS
8.4
Base score, 0 to 10
Highest EPSS
0.0047
40th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 0
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.144.1.rt7.485.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-64600 | xfs: resample the data fork mapping after cycling ILOCK | 7.8 | 0.0047 | None reported |
| High | CVE-2026-46116 | xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete | 8.4 | 0.0013 | None reported |
| High | CVE-2026-46086 | net: bridge: use a stable FDB dst snapshot in RCU readers | 7.8 | 0.0013 | None reported |
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