# RHSA-2026:83707: kernel security update

RHSA-2026:83707, released June 24, 2026, fixes 10 CVEs in kernel (version 6.12.0-55.111.1.el10_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-83707
- Platform: Linux
- Released: Jun 24, 2026
- Priority: High (Closes CVE-2026-64113, high severity)
- CVEs: 10, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:83707

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel](https://patchblox.com/security/data/product/linux/kernel.md) | RHEL 10 | 6.12.0-55.111.1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-64113](https://patchblox.com/security/data/cve/CVE-2026-64113.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 9.8 | 0.0053 |  |
| [CVE-2026-63993](https://patchblox.com/security/data/cve/CVE-2026-63993.md) | High | kernel: In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached ip_hdr() value after s... | 9.8 | 0.0051 |  |
| [CVE-2026-68480](https://patchblox.com/security/data/cve/CVE-2026-68480.md) | High | x86/bugs: Make Safe-RET robust against interrupt injection | 8.8 | 0.0023 |  |
| [CVE-2026-64490](https://patchblox.com/security/data/cve/CVE-2026-64490.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  ALSA: virtio: Validate control metadata from the... | 8.8 | 0.0019 |  |
| [CVE-2026-68086](https://patchblox.com/security/data/cve/CVE-2026-68086.md) | High | mm/khugepaged: write all dirty file folios when collapsing | 8.8 | 0.0015 |  |
| [CVE-2026-46189](https://patchblox.com/security/data/cve/CVE-2026-46189.md) | High | kernel-uek-core: [5.15.0-323.211.3.3] - Revert 'x86/alternatives: Add alt_instr.flags' (Harshit Mogalapalli)  [Orabug: 39853924]  [5.1... | 7.8 | 0.0014 |  |
| [CVE-2026-46149](https://patchblox.com/security/data/cve/CVE-2026-46149.md) | High | scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() | 8.8 | 0.0014 |  |
| [CVE-2026-31772](https://patchblox.com/security/data/cve/CVE-2026-31772.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: hci_sync: fix stack buffer overflow i... | 7.8 | 0.0014 |  |
| [CVE-2026-43450](https://patchblox.com/security/data/cve/CVE-2026-43450.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: f... | 8.8 | 0.0013 |  |
| [CVE-2026-43020](https://patchblox.com/security/data/cve/CVE-2026-43020.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: MGMT: validate LTK enc_size on load... | 7.8 | 0.0013 |  |

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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