Linux · Security advisory · November 7, 2026
ELSA-2026-500397: Security update for 8 packages
ELSA-2026-500397, released November 7, 2026, fixes 3 CVEs across 8 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
3
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0079
56th percentile
Priority of the 3 CVEs
Patch now 0
Urgent 1
High 2
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel-uek | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
| kernel-uek-container | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
| kernel-uek-container-debug | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
| kernel-uek-debug | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
| kernel-uek-debug-devel | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
| kernel-uek-devel | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
| kernel-uek-doc | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
| kernel-uek-tools | ol 8 | 0:5.4.17-2136.360.3.1.el7uek |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2026-99999 | ipv4: validate checksum_start before completing checksum | 9.3 | 0.0079 | None reported | |
| High | CVE-2026-98432 | ipv4: free inet_opt and ireq_opt after an RCU grace period | 9.8 | 0.0076 | None reported | |
| High | CVE-2026-74580 | vhost: reset the vring metadata cache on vring reconfiguration | 8.8 | 0.0041 | None reported |
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