# RHSA-2026:63128: kernel security update

RHSA-2026:63128, released September 5, 2026, fixes 3 CVEs in kernel (version 6.12.0-211.51.1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-63128
- Platform: Linux
- Released: Sep 5, 2026
- Priority: Urgent (Closes CVE-2026-63824, rated Critical)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:63128

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-211.51.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-63824](https://patchblox.com/security/data/cve/CVE-2026-63824.md) | Urgent | KEYS: fix overflow in keyctl_pkey_params_get_2() | 9.8 | 0.0017 |  |
| [CVE-2026-63808](https://patchblox.com/security/data/cve/CVE-2026-63808.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 9.8 | 0.0053 |  |
| [CVE-2026-68145](https://patchblox.com/security/data/cve/CVE-2026-68145.md) | High | iomap: fix out-of-bounds bitmap_set() with zero-length range | 8.8 | 0.0014 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo