# ALSA-2025:21916: Security update for 2 packages

ALSA-2025:21916, released November 24, 2025, fixes 4 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/alsa-2025-21916
- Platform: Linux
- Released: Nov 24, 2025
- Priority: Urgent (Closes CVE-2025-49844, rated Critical)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://osv.dev/vulnerability/ALSA-2025:21916

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [valkey](https://patchblox.com/security/data/product/linux/valkey.md) | almalinux 9 | 8.0.6-2.el9_7 |
| [valkey-devel](https://patchblox.com/security/data/product/linux/valkey-devel.md) | almalinux 9 | 8.0.6-2.el9_7 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-49844](https://patchblox.com/security/data/cve/CVE-2025-49844.md) | Urgent | Redis Lua Use-After-Free may lead to remote code execution | 9.9 | 0.8264 |  |
| [CVE-2025-46817](https://patchblox.com/security/data/cve/CVE-2025-46817.md) | High | Lua library commands may lead to integer overflow and potential RCE | 8.8 | 0.0392 |  |
| [CVE-2025-46819](https://patchblox.com/security/data/cve/CVE-2025-46819.md) | High | Redis is vulnerable to DoS via specially crafted LUA scripts | 8.8 | 0.0109 |  |
| [CVE-2025-46818](https://patchblox.com/security/data/cve/CVE-2025-46818.md) | High | Redis: Authenticated users can execute LUA scripts as a different user | 8.8 | 0.0074 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo