# RHSA-2026:42919: kernel security update

RHSA-2026:42919, released July 22, 2026, fixes 7 CVEs in kernel (version 6.12.0-211.37.1.el10_2). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-42919
- Platform: Linux
- Released: Jul 22, 2026
- Priority: High (Closes CVE-2026-53071, high severity)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:42919

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-211.37.1.el10_2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-53071](https://patchblox.com/security/data/cve/CVE-2026-53071.md) | High | Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp | 8.8 | 0.0043 |  |
| [CVE-2026-46215](https://patchblox.com/security/data/cve/CVE-2026-46215.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: drm: Set old handle to NULL before prime swap in... | 7.8 | 0.0023 |  |
| [CVE-2026-52950](https://patchblox.com/security/data/cve/CVE-2026-52950.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: drm/xe/dma-buf: fix UAF with retry loop Retry doe... | 7.8 | 0.0018 |  |
| [CVE-2026-31530](https://patchblox.com/security/data/cve/CVE-2026-31530.md) | High | cxl/port: Fix use after free of parent_port in cxl_detach_ep() | 7.8 | 0.0016 |  |
| [CVE-2025-71113](https://patchblox.com/security/data/cve/CVE-2025-71113.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - zero initialize memory allocated... | 7.8 | 0.0015 |  |
| [CVE-2025-71147](https://patchblox.com/security/data/cve/CVE-2025-71147.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix a memory leak in tpm2_load_cmd... | 8.8 | 0.0014 |  |
| [CVE-2026-23168](https://patchblox.com/security/data/cve/CVE-2026-23168.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: flex_proportions: make fprop_new_period() hardirq... | 7.8 | 0.0013 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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