# RHSA-2026:4723: kernel security update

RHSA-2026:4723, released January 25, 2026, fixes 1 CVE in kernel (version 6.12.0-124.45.1.el10_1). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-4723
- Platform: Linux
- Released: Jan 25, 2026
- Priority: High (Closes CVE-2026-23010, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:4723

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-124.45.1.el10_1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-23010](https://patchblox.com/security/data/cve/CVE-2026-23010.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix use-after-free in inet6_addr_del(). syz... | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo