# CVE-2021-47571: linux: In the Linux kernel, the following vulnerability has been resolved:  staging: rtl8192e: Fix use after free in _rtl92e...

CVE-2021-47571 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47571, released May 24, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-47571
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0022
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 24, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()  The free_rtllib() function frees the "dev" pointer so there is use after free on the next line.  Re-arrange things to avoid that.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.15.15-1 | [DEBIAN-CVE-2021-47571](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47571.md) | May 24, 2024 |
| Linux | linux Debian 13.5 (trixie) | 5.15.15-1 | [DEBIAN-CVE-2021-47571](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47571.md) | May 24, 2024 |
| Linux | linux Debian 14 | 5.15.15-1 | [DEBIAN-CVE-2021-47571](https://patchblox.com/security/data/fix/linux/debian-cve-2021-47571.md) | May 24, 2024 |

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