# RHSA-2026:62640: kpatch-patch-5_14_0-687_10_1 security update

RHSA-2026:62640, released September 13, 2026, fixes 5 CVEs in kpatch-patch-5_14_0-687_10_1 (version 0:1-8.el9_8). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-62640
- Platform: Linux
- Released: Sep 13, 2026
- Priority: High (Closes CVE-2026-53264, high severity)
- CVEs: 5, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:62640

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kpatch-patch-5_14_0-687_10_1](https://patchblox.com/security/data/product/linux/kpatch-patch-5-14-0-687-10-1.md) | RHEL 9 | 0:1-8.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-53264](https://patchblox.com/security/data/cve/CVE-2026-53264.md) | High | net/sched: act_api: use RCU with deferred freeing for action lifecycle | 7.8 | 0.0049 |  |
| [CVE-2026-43114](https://patchblox.com/security/data/cve/CVE-2026-43114.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: k... | 9.4 | 0.0037 |  |
| [CVE-2026-43112](https://patchblox.com/security/data/cve/CVE-2026-43112.md) | High | kpatch-patch-4_18_0-553_109_1: This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a run... | 8.8 | 0.0035 |  |
| [CVE-2026-52973](https://patchblox.com/security/data/cve/CVE-2026-52973.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: futex: Drop CLONE_THREAD requirement for private... | 7.8 | 0.0018 |  |
| [CVE-2026-46323](https://patchblox.com/security/data/cve/CVE-2026-46323.md) | High | net: gro: don't merge zcopy skbs | 8.4 | 0.0014 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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