# RHSA-2026:2378: Security update for 12 packages

RHSA-2026:2378, released February 10, 2026, fixes 8 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-2378
- Platform: Linux
- Released: Feb 10, 2026
- Priority: High (Closes CVE-2026-22998, high severity)
- CVEs: 8, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:2378

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-553.104.1.rt7.445.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-22998](https://patchblox.com/security/data/cve/CVE-2026-22998.md) | High | kernel-core: The kernel packages contain the Linux kernel, the core of any Linux operating system.  Security Fix(es):  * kernel: v... | 7.5 | 0.0078 |  |
| [CVE-2025-68349](https://patchblox.com/security/data/cve/CVE-2025-68349.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_m... | 7.5 | 0.0071 |  |
| [CVE-2025-40135](https://patchblox.com/security/data/cve/CVE-2025-40135.md) | High | ipv6: use RCU in ip6_xmit() | 8.4 | 0.0071 |  |
| [CVE-2025-40158](https://patchblox.com/security/data/cve/CVE-2025-40158.md) | High | ipv6: use RCU in ip6_output() | 8.1 | 0.0056 |  |
| [CVE-2025-38403](https://patchblox.com/security/data/cve/CVE-2025-38403.md) | High | vsock/vmci: Clear the vmci transport packet properly when initializing it | 7.8 | 0.0022 |  |
| [CVE-2022-50673](https://patchblox.com/security/data/cve/CVE-2022-50673.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  ext4: fix use-after-free in ext4_orphan_cleanup... | 7.8 | 0.0021 |  |
| [CVE-2025-40170](https://patchblox.com/security/data/cve/CVE-2025-40170.md) | High | net: use dst_dev_rcu() in sk_setup_caps() | 8.1 | 0.0019 |  |
| [CVE-2025-40269](https://patchblox.com/security/data/cve/CVE-2025-40269.md) | High | ALSA: usb-audio: Fix potential overflow of PCM transfer buffer | 7.8 | 0.0019 |  |

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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