CVE-2021-47571

HighCVSS 7.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
LinuxLinux>= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < d43aecb694b10db9a4228ce2d38b5ae8de374443; >= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < 9186680382934b0e7529d3d70dcc0a21d087683b; >= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < c0ef0e75a858cbd8618b473f22fbca36106dcf82; >= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef; >= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < 2e1ec01af2c7139c6a600bbfaea1a018b35094b6; >= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < 8d0163cec7de995f9eb9c3128c83fb84f0cb1c64; >= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < e27ee2f607fe6a9b923ef1fc65461c0613c97594; >= 66898177e7e5486dc77a4ba742efa4e2e9e900a4, < b535917c51acc97fb0761b1edec85f1f3d02bda4
LinuxLinux3.2

References

Timeline

Published
May 24, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-47571: High severity, CVSS 7.8 | Vulnix