# RHSA-2026:81552: Security update for 72 packages

RHSA-2026:81552, released October 13, 2026, fixes 13 CVEs across 72 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-81552
- Platform: Linux
- Released: Oct 13, 2026
- Priority: Urgent (Closes CVE-2026-89970, rated Critical)
- CVEs: 13, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:81552

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k](https://patchblox.com/security/data/product/linux/kernel-64k.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-core](https://patchblox.com/security/data/product/linux/kernel-64k-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-debug](https://patchblox.com/security/data/product/linux/kernel-64k-debug.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-debug-core](https://patchblox.com/security/data/product/linux/kernel-64k-debug-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-debug-devel](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-debug-devel-matched.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-debug-modules](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-64k-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-devel](https://patchblox.com/security/data/product/linux/kernel-64k-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-devel-matched](https://patchblox.com/security/data/product/linux/kernel-64k-devel-matched.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-modules](https://patchblox.com/security/data/product/linux/kernel-64k-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-64k-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-64k-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-abi-stablelists](https://patchblox.com/security/data/product/linux/kernel-abi-stablelists.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-core](https://patchblox.com/security/data/product/linux/kernel-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug](https://patchblox.com/security/data/product/linux/kernel-debug.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug-core](https://patchblox.com/security/data/product/linux/kernel-debug-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug-devel](https://patchblox.com/security/data/product/linux/kernel-debug-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug-devel-matched](https://patchblox.com/security/data/product/linux/kernel-debug-devel-matched.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug-modules](https://patchblox.com/security/data/product/linux/kernel-debug-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-debug-uki-virt](https://patchblox.com/security/data/product/linux/kernel-debug-uki-virt.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-devel](https://patchblox.com/security/data/product/linux/kernel-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-devel-matched](https://patchblox.com/security/data/product/linux/kernel-devel-matched.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-doc](https://patchblox.com/security/data/product/linux/kernel-doc.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-modules](https://patchblox.com/security/data/product/linux/kernel-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-modules-core](https://patchblox.com/security/data/product/linux/kernel-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-modules-extra](https://patchblox.com/security/data/product/linux/kernel-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k](https://patchblox.com/security/data/product/linux/kernel-rt-64k.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-debug](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-64k-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-devel](https://patchblox.com/security/data/product/linux/kernel-rt-64k-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-modules](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-64k-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-64k-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-debug-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-modules-core](https://patchblox.com/security/data/product/linux/kernel-rt-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-tools](https://patchblox.com/security/data/product/linux/kernel-tools.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-tools-libs](https://patchblox.com/security/data/product/linux/kernel-tools-libs.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-tools-libs-devel](https://patchblox.com/security/data/product/linux/kernel-tools-libs-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-uki-virt](https://patchblox.com/security/data/product/linux/kernel-uki-virt.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-uki-virt-addons](https://patchblox.com/security/data/product/linux/kernel-uki-virt-addons.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-zfcpdump](https://patchblox.com/security/data/product/linux/kernel-zfcpdump.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-zfcpdump-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-zfcpdump-devel](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-zfcpdump-devel-matched](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-devel-matched.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-zfcpdump-modules](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-zfcpdump-modules-core](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-core.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [kernel-zfcpdump-modules-extra](https://patchblox.com/security/data/product/linux/kernel-zfcpdump-modules-extra.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [libperf](https://patchblox.com/security/data/product/linux/libperf.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [perf](https://patchblox.com/security/data/product/linux/perf.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [python3-perf](https://patchblox.com/security/data/product/linux/python3-perf.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [rtla](https://patchblox.com/security/data/product/linux/rtla.md) | RHEL 9 | 0:5.14.0-687.57.1.el9_8 |
| [rv](https://patchblox.com/security/data/product/linux/rv.md) | RHEL 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-2026-72318](https://patchblox.com/security/data/cve/CVE-2026-72318.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  cifs: validate DFS referral string offsets  pars... | 9.4 | 0.0059 |  |
| [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-2026-68123](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: The kernel packages contain the Linux kernel, the core of any Linux operating system | 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: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: d... | 7.8 | 0.0013 |  |

---

Data as of 2026-11-07T18:46:35Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
