# CVE-2022-4095: linux: A use-after-free flaw was found in Linux kernel before 5.19.2

CVE-2022-4095 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-4095, released March 22, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2022-4095
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 22, 2023

## Description

A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmd_hdl_filter in drivers/staging/rtl8712/rtl8712_cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.19.11-1 | [DEBIAN-CVE-2022-4095](https://patchblox.com/security/data/fix/linux/debian-cve-2022-4095.md) | Mar 22, 2023 |
| Linux | linux Debian 13.5 (trixie) | 5.19.11-1 | [DEBIAN-CVE-2022-4095](https://patchblox.com/security/data/fix/linux/debian-cve-2022-4095.md) | Mar 22, 2023 |
| Linux | linux Debian 14 | 5.19.11-1 | [DEBIAN-CVE-2022-4095](https://patchblox.com/security/data/fix/linux/debian-cve-2022-4095.md) | Mar 22, 2023 |

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Data as of 2026-11-08T00:53:09Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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