# RHSA-2026:24343: kernel security update

RHSA-2026:24343, released May 15, 2026, fixes 9 CVEs in kernel (version 6.12.0-55.77.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-24343
- Platform: Linux
- Released: May 15, 2026
- Priority: Urgent (Closes CVE-2025-68366, rated Critical)
- CVEs: 9, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:24343

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-55.77.1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-68366](https://patchblox.com/security/data/cve/CVE-2025-68366.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  nbd: defer config unlock in nbd_genl_connect  Th... | 8.8 | 0.0020 |  |
| [CVE-2026-43037](https://patchblox.com/security/data/cve/CVE-2026-43037.md) | High | ip6_tunnel: clear skb2->cb[] in ip4ip6_err() | 9.8 | 0.0069 |  |
| [CVE-2026-31685](https://patchblox.com/security/data/cve/CVE-2026-31685.md) | High | netfilter: ip6t_eui64: reject invalid MAC header for all packets | 9.4 | 0.0049 |  |
| [CVE-2026-31709](https://patchblox.com/security/data/cve/CVE-2026-31709.md) | High | smb: client: validate the whole DACL before rewriting it in cifsacl | 8.8 | 0.0035 |  |
| [CVE-2026-31607](https://patchblox.com/security/data/cve/CVE-2026-31607.md) | High | usbip: validate number_of_packets in usbip_pack_ret_submit() | 9.8 | 0.0031 |  |
| [CVE-2026-43110](https://patchblox.com/security/data/cve/CVE-2026-43110.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  wifi: brcmfmac: validate bsscfg indices in IF ev... | 8.8 | 0.0027 |  |
| [CVE-2026-43038](https://patchblox.com/security/data/cve/CVE-2026-43038.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... | 9.8 | 0.0026 |  |
| [CVE-2026-23392](https://patchblox.com/security/data/cve/CVE-2026-23392.md) | High | netfilter: nf_tables: release flowtable after rcu grace period on error | 8.8 | 0.0017 |  |
| [CVE-2026-23270](https://patchblox.com/security/data/cve/CVE-2026-23270.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net/sched: Only allow act_ct to bind to clsact/i... | 8.1 | 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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