# RLSA-2026:81552: kernel security update

RLSA-2026:81552, released November 7, 2026, fixes 13 CVEs in kernel (version 0:5.14.0-687.57.1.el9_8). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2026-81552
- Platform: Linux
- Released: Nov 7, 2026
- Priority: Urgent (Closes CVE-2026-89970, rated Critical)
- CVEs: 13, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RLSA-2026:81552

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | rocky 9 | 0:5.14.0-687.57.1.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-89970](https://patchblox.com/security/data/cve/CVE-2026-89970.md) | Urgent | nvmet-auth: Synchronize timeout work during SQ teardown | 9.8 | 0.0080 |  |
| [CVE-2026-68236](https://patchblox.com/security/data/cve/CVE-2026-68236.md) | Urgent | drm/amd/display: set new_stream to NULL after release | 9.8 | 0.0013 |  |
| [CVE-2026-72318](https://patchblox.com/security/data/cve/CVE-2026-72318.md) | High | kernel-uek: ELSA-2026-500248: Unbreakable Enterprise kernel security update (IMPORTANT) | 9.4 | 0.0059 |  |
| [CVE-2026-68123](https://patchblox.com/security/data/cve/CVE-2026-68123.md) | High | openvswitch: fix GSO userspace truncation underflow | 9.8 | 0.0055 |  |
| [CVE-2026-63925](https://patchblox.com/security/data/cve/CVE-2026-63925.md) | High | kernel-64kb: macsec: fix replay protection at XPN lower-PN wrap (bsc#1273008). | 8.1 | 0.0035 |  |
| [CVE-2026-68278](https://patchblox.com/security/data/cve/CVE-2026-68278.md) | High | drm/dp/mst: fix buffer overflows in sideband chunk accumulation | 8.1 | 0.0024 |  |
| [CVE-2026-64507](https://patchblox.com/security/data/cve/CVE-2026-64507.md) | High | x86/bugs: Enable IBPB flush on BPF JIT allocation | 7.8 | 0.0023 |  |
| [CVE-2026-64508](https://patchblox.com/security/data/cve/CVE-2026-64508.md) | High | bpf: Support for hardening against JIT spraying | 7.8 | 0.0019 |  |
| [CVE-2026-89811](https://patchblox.com/security/data/cve/CVE-2026-89811.md) | High | drm/amdkfd: Add TLB flush after MES queue eviction/suspension | 8.8 | 0.0018 |  |
| [CVE-2026-89894](https://patchblox.com/security/data/cve/CVE-2026-89894.md) | High | media: cx231xx: reject geometry changes while the VBI queue is busy | 8.1 | 0.0017 |  |
| [CVE-2026-80887](https://patchblox.com/security/data/cve/CVE-2026-80887.md) | High | drm/vmwgfx: use check_add_overflow for shader size+offset bound | 8.1 | 0.0017 |  |
| [CVE-2026-68245](https://patchblox.com/security/data/cve/CVE-2026-68245.md) | High | drm/amdgpu: fix lifetime issue of amdgpu_vm_get_task_info_pasid() | 7.8 | 0.0013 |  |
| [CVE-2026-46309](https://patchblox.com/security/data/cve/CVE-2026-46309.md) | High | kernel: drm/xe/uapi: Reject coh_none PAT index for CPU cached memory in madvise (Jose Exposito) [RHEL-250806] | 7.8 | 0.0013 |  |

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Data as of 2026-11-11T01:43:54Z 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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