# RHSA-2026:3579: kernel security update

RHSA-2026:3579, released July 25, 2025, fixes 3 CVEs in kernel (version 6.12.0-55.62.1.el10_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-3579
- Platform: Linux
- Released: Jul 25, 2025
- Priority: High (Closes CVE-2025-37882, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:3579

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-55.62.1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-37882](https://patchblox.com/security/data/cve/CVE-2025-37882.md) | High | usb: xhci: Fix isochronous Ring Underrun/Overrun event handling | 7.8 | 0.0030 |  |
| [CVE-2025-38415](https://patchblox.com/security/data/cve/CVE-2025-38415.md) | High | Squashfs: check return result of sb_min_blocksize | 7.8 | 0.0022 |  |
| [CVE-2025-38106](https://patchblox.com/security/data/cve/CVE-2025-38106.md) | High | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system | 7.8 | 0.0020 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo