Linux · 
Red Hat · Security advisory · October 13, 2026
Red Hat · Security advisory · October 13, 2026RHSA-2026:81452: Security update for 2 packages
RHSA-2026:81452, released October 13, 2026, fixes 4 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
4
None rated Critical
Exploited
0
None reported
Highest CVSS
8.8
Base score, 0 to 10
Highest EPSS
0.0015
4th percentile
Priority of the 4 CVEs
Patch now 0
Urgent 0
High 4
Routine 0
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kpatch-patch-5_14_0-687_10_1 | RHEL 9 | 0:1-10.el9_8 |
| kpatch-patch-5_14_0-687_42_1 | RHEL 9 | 0:1-1.el9_8 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2026-52933 | io_uring/poll: fix signed comparison in io_poll_get_ownership() | 7.8 | 0.0015 | None reported |
| High | CVE-2026-46181 | RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() | 8.8 | 0.0014 | None reported |
| High | CVE-2026-46176 | RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() | 7.8 | 0.0014 | None reported |
| High | CVE-2026-64002 | kernel: In the Linux kernel, the following vulnerability has been resolved: ipv4: free net->ipv4.sysctl_local_reserved_ports... | 8.8 | 0.0013 | None reported |
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