# ALSA-2025:22387: Security update for 10 packages

ALSA-2025:22387, released December 1, 2025, fixes 7 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alsa-2025-22387
- Platform: Linux
- Released: Dec 1, 2025
- Priority: Urgent (Closes CVE-2025-39898, rated Critical)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2025:22387

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |
| [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | almalinux 8 | 4.18.0-553.87.1.rt7.428.el8_10 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-39898](https://patchblox.com/security/data/cve/CVE-2025-39898.md) | Urgent | e1000e: fix heap overflow in e1000_set_eeprom | 9.8 | n/a |  |
| [CVE-2025-40186](https://patchblox.com/security/data/cve/CVE-2025-40186.md) | High | linux: In the Linux kernel, the following vulnerability has been resolved:  tcp: Don't call reqsk_fastopen_remove() in tcp_c... | 8.1 | 0.0059 |  |
| [CVE-2025-38724](https://patchblox.com/security/data/cve/CVE-2025-38724.md) | High | nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() | 7.8 | 0.0041 |  |
| [CVE-2025-39955](https://patchblox.com/security/data/cve/CVE-2025-39955.md) | High | tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). | 7.8 | 0.0017 |  |
| [CVE-2025-39883](https://patchblox.com/security/data/cve/CVE-2025-39883.md) | High | mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory | 7.6 | 0.0016 |  |
| [CVE-2023-53513](https://patchblox.com/security/data/cve/CVE-2023-53513.md) | High | kernel-rt-debug: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.6 | 0.0015 |  |
| [CVE-2025-39825](https://patchblox.com/security/data/cve/CVE-2025-39825.md) | High | smb: client: fix race with concurrent opens in rename(2) | 7.6 | 0.0012 |  |

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Data as of 2026-11-07T06:34:28Z 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