# RLSA-2026:95100: kernel-rt security update

RLSA-2026:95100, released November 7, 2026, fixes 6 CVEs in kernel-rt (version 0:4.18.0-553.184.1.rt7.525.el8_10). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2026-95100
- Platform: Linux
- Released: Nov 7, 2026
- Priority: Urgent (Closes CVE-2026-64541, rated Critical)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2026:95100

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | rocky 8 | 0:4.18.0-553.184.1.rt7.525.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-64541](https://patchblox.com/security/data/cve/CVE-2026-64541.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  net/smc: fix UAF in smc_cdc_rx_handler() by pinn... | 9.8 | 0.0057 |  |
| [CVE-2026-52929](https://patchblox.com/security/data/cve/CVE-2026-52929.md) | High | sctp: stream: fully roll back denied add-stream state | 9.8 | 0.0087 |  |
| [CVE-2026-74586](https://patchblox.com/security/data/cve/CVE-2026-74586.md) | High | sctp: clear new_transport when removing a peer | 9.8 | 0.0050 |  |
| [CVE-2026-80864](https://patchblox.com/security/data/cve/CVE-2026-80864.md) | High | RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp | 9.8 | 0.0020 |  |
| [CVE-2026-80863](https://patchblox.com/security/data/cve/CVE-2026-80863.md) | High | RDMA/rxe: Fix OOB in free_rd_atomic_resources() | 7.8 | 0.0018 |  |
| [CVE-2026-89488](https://patchblox.com/security/data/cve/CVE-2026-89488.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  openvswitch: Fix CT limit teardown use-after-fre... | 8.8 | 0.0013 |  |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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