Linux · Security advisory · October 7, 2026
RHSA-2026:77500: Security update for 12 packages
RHSA-2026:77500, released October 7, 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
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0049
42nd 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 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-core | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-debug | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-debug-core | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-debug-devel | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-debug-kvm | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-debug-modules | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-debug-modules-extra | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-devel | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-kvm | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-modules | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
| kernel-rt-modules-extra | RHEL 8 | 0:4.18.0-553.172.1.rt7.513.el8_10 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| High | CVE-2026-89530 | kernel: In the Linux kernel, the following vulnerability has been resolved: svcrdma: Reject inline replies that overflow the... | 9.8 | 0.0049 | None reported | |
| High | CVE-2026-64115 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 8.8 | 0.0014 | None reported | |
| High | CVE-2026-74582 | packet: use consistent hard_header_len in non-ring send paths | 9.8 | 0.0012 | None reported |
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