Linux · Security advisory · July 25, 2026
RHSA-2026:45116: Security update for 12 packages
RHSA-2026:45116, released July 25, 2026, fixes 4 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
4
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0040
34th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 1
High 3
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-rt | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.147.1.rt7.488.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-52993 | tipc: fix double-free in tipc_buf_append() | 9.8 | 0.0040 | None reported | |
| High | CVE-2026-64561 | KVM: x86: Check for invalid/obsolete root *after* making MMU pages available | 8.8 | 0.0027 | None reported | |
| High | CVE-2025-40026 | KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O | 7.9 | 0.0017 | None reported | |
| High | CVE-2026-53059 | dm log: fix out-of-bounds write due to region_count overflow | 7.8 | 0.0014 | None reported |
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