# RHSA-2026:64767: kernel security update

RHSA-2026:64767, released June 24, 2026, fixes 10 CVEs in kernel (version 6.12.0-55.103.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-64767
- Platform: Linux
- Released: Jun 24, 2026
- Priority: Urgent (Closes CVE-2026-46155, rated Critical)
- CVEs: 10, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:64767

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-55.103.1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-46155](https://patchblox.com/security/data/cve/CVE-2026-46155.md) | Urgent | linux: In the Linux kernel, the following vulnerability has been resolved:  smb/client: fix out-of-bounds read in smb2_compo... | 9.1 | 0.0048 |  |
| [CVE-2026-63886](https://patchblox.com/security/data/cve/CVE-2026-63886.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: s... | 9.8 | 0.0071 |  |
| [CVE-2026-53006](https://patchblox.com/security/data/cve/CVE-2026-53006.md) | High | ipv6: fix possible UAF in icmpv6_rcv() | 9.8 | 0.0039 |  |
| [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-2026-46099](https://patchblox.com/security/data/cve/CVE-2026-46099.md) | High | net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels | 8.1 | 0.0029 |  |
| [CVE-2026-46056](https://patchblox.com/security/data/cve/CVE-2026-46056.md) | High | Bluetooth: hci_event: fix potential UAF in SSP passkey handlers | 8.8 | 0.0028 |  |
| [CVE-2025-40149](https://patchblox.com/security/data/cve/CVE-2025-40149.md) | High | tls: Use __sk_dst_get() and dst_dev_rcu() in get_netdev_for_sock(). | 8.8 | 0.0017 |  |
| [CVE-2026-64304](https://patchblox.com/security/data/cve/CVE-2026-64304.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  crypto: qat - validate RSA CRT component lengths... | 8.8 | 0.0017 |  |
| [CVE-2026-46145](https://patchblox.com/security/data/cve/CVE-2026-46145.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Validate rx_hash_key_len Sashiko point... | 7.8 | 0.0015 |  |
| [CVE-2026-53016](https://patchblox.com/security/data/cve/CVE-2026-53016.md) | High | crypto: ccp - copy IV using skcipher ivsize | 7.8 | 0.0014 |  |

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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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