# RLSA-2026:70459: kernel security update

RLSA-2026:70459, released September 24, 2026, fixes 13 CVEs in kernel (version 0:5.14.0-687.50.1.el9_8). One of them is being exploited (CVE-2025-39964); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/linux/rlsa-2026-70459
- Platform: Linux
- Released: Sep 24, 2026
- Priority: Patch now (Closes CVE-2025-39964, exploited (CISA KEV))
- CVEs: 13, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://errata.rockylinux.org/RLSA-2026:70459

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | rocky 9 | 0:5.14.0-687.50.1.el9_8 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-39964](https://patchblox.com/security/data/cve/CVE-2025-39964.md) | Patch now | crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg | 8.8 | 0.0161 | CISA KEV |
| [CVE-2026-68391](https://patchblox.com/security/data/cve/CVE-2026-68391.md) | Urgent | Bluetooth: mgmt: hold reference for hci_conn in mgmt_pending_cmds | 9.8 | 0.0013 |  |
| [CVE-2026-53062](https://patchblox.com/security/data/cve/CVE-2026-53062.md) | Urgent | dm cache policy smq: fix missing locks in invalidating cache blocks | 9.8 | 0.0010 |  |
| [CVE-2026-68155](https://patchblox.com/security/data/cve/CVE-2026-68155.md) | High | libceph: Reject monmaps advertising zero monitors | 8.8 | 0.0070 |  |
| [CVE-2026-68157](https://patchblox.com/security/data/cve/CVE-2026-68157.md) | High | libceph: guard missing CRUSH type name lookup | 7.8 | 0.0070 |  |
| [CVE-2026-68156](https://patchblox.com/security/data/cve/CVE-2026-68156.md) | High | libceph: refresh auth->authorizer_buf{,_len} after authorizer update | 9.8 | 0.0069 |  |
| [CVE-2026-68188](https://patchblox.com/security/data/cve/CVE-2026-68188.md) | High | Bluetooth: RFCOMM: Fix session UAF in set_termios | 8.8 | 0.0022 |  |
| [CVE-2026-72072](https://patchblox.com/security/data/cve/CVE-2026-72072.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  net/mlx5e: macsec: fix use-after-free of metadat... | 7.8 | 0.0017 |  |
| [CVE-2026-63823](https://patchblox.com/security/data/cve/CVE-2026-63823.md) | High | keys: Pin request_key_auth payload in instantiate paths | 8.8 | 0.0016 |  |
| [CVE-2026-68293](https://patchblox.com/security/data/cve/CVE-2026-68293.md) | High | net/mlx5: Fix MCIA register buffer overflow on 32 dword reads | 8.8 | 0.0014 |  |
| [CVE-2026-45894](https://patchblox.com/security/data/cve/CVE-2026-45894.md) | High | iommu/vt-d: Clear Present bit before tearing down PASID entry | 8.8 | 0.0013 |  |
| [CVE-2026-45959](https://patchblox.com/security/data/cve/CVE-2026-45959.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix a crash due to incorrect cleanu... | 8.8 | 0.0013 |  |
| [CVE-2026-74518](https://patchblox.com/security/data/cve/CVE-2026-74518.md) | High | mm/hugetlb: fix list corruption in allocate_file_region_entries() | 8.8 | 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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