# RXSA-2026:25217: kernel security update

RXSA-2026:25217, released June 15, 2026, fixes 11 CVEs in kernel (version 0:5.14.0-687.15.1.el9_7.cloud.1.0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rxsa-2026-25217
- Platform: Linux
- Released: Jun 15, 2026
- Priority: High (Closes CVE-2026-43501, high severity)
- CVEs: 11, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://errata.rockylinux.org/RXSA-2026:25217

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | rocky 9 | 0:5.14.0-687.15.1.el9_7.cloud.1.0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-43501](https://patchblox.com/security/data/cve/CVE-2026-43501.md) | High | ipv6: rpl: reserve mac_len headroom when recompressed SRH grows | 9.8 | 0.0073 |  |
| [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-2026-43125](https://patchblox.com/security/data/cve/CVE-2026-43125.md) | High | dlm: validate length in dlm_search_rsb_tree | 9.8 | 0.0054 |  |
| [CVE-2026-45852](https://patchblox.com/security/data/cve/CVE-2026-45852.md) | High | kernel-uek-modules: [5.15.0-323.211.3.3] - Revert 'x86/alternatives: Add alt_instr.flags' (Harshit Mogalapalli)  [Orabug: 39853924]  [5.1... | 8.8 | 0.0020 |  |
| [CVE-2026-46181](https://patchblox.com/security/data/cve/CVE-2026-46181.md) | High | RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() | 8.8 | 0.0014 |  |
| [CVE-2026-23216](https://patchblox.com/security/data/cve/CVE-2026-23216.md) | High | scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() | 8.8 | 0.0014 |  |
| [CVE-2026-31419](https://patchblox.com/security/data/cve/CVE-2026-31419.md) | High | net: bonding: fix use-after-free in bond_xmit_broadcast() | 8.8 | 0.0013 |  |
| [CVE-2026-31581](https://patchblox.com/security/data/cve/CVE-2026-31581.md) | High | ALSA: 6fire: fix use-after-free on disconnect | 8.8 | 0.0013 |  |
| [CVE-2026-43056](https://patchblox.com/security/data/cve/CVE-2026-43056.md) | High | kernel-default-base: The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues:  The following security issues we... | 8.8 | 0.0012 |  |
| [CVE-2026-31508](https://patchblox.com/security/data/cve/CVE-2026-31508.md) | High | net: openvswitch: Avoid releasing netdev before teardown completes | 8.8 | 0.0011 |  |
| [CVE-2026-43116](https://patchblox.com/security/data/cve/CVE-2026-43116.md) | High | netfilter: ctnetlink: ensure safe access to master conntrack | 8.8 | 0.0010 |  |

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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

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