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CVE-2021-47571
staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()
High7.8EPSS 0.21%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
Timeline
ID reserved
By Linux
Published
- 24 months later
· 24 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.21% · top 88% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < d43aecb694b10db9a4228ce2d38b5ae8de374443
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < 9186680382934b0e7529d3d70dcc0a21d087683b
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < c0ef0e75a858cbd8618b473f22fbca36106dcf82
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < 2e1ec01af2c7139c6a600bbfaea1a018b35094b6
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < 8d0163cec7de995f9eb9c3128c83fb84f0cb1c64
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < e27ee2f607fe6a9b923ef1fc65461c0613c97594
- affected 66898177e7e5486dc77a4ba742efa4e2e9e900a4 – < b535917c51acc97fb0761b1edec85f1f3d02bda4
- affected 3.2
- unaffected < 3.2
- unaffected 4.4.294 – ≤ 4.4.*
- unaffected 4.9.292 – ≤ 4.9.*
- unaffected 4.14.257 – ≤ 4.14.*
- unaffected 4.19.219 – ≤ 4.19.*
- unaffected 5.4.163 – ≤ 5.4.*
- unaffected 5.10.83 – ≤ 5.10.*
- unaffected 5.15.6 – ≤ 5.15.*
- unaffected 5.16 – ≤ *
References (8)
- https://git.kernel.org/stable/c/d43aecb694b10db9a4228ce2d38b5ae8de374443 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/9186680382934b0e7529d3d70dcc0a21d087683b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c0ef0e75a858cbd8618b473f22fbca36106dcf82 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13ef (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/2e1ec01af2c7139c6a600bbfaea1a018b35094b6 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/8d0163cec7de995f9eb9c3128c83fb84f0cb1c64 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e27ee2f607fe6a9b923ef1fc65461c0613c97594 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/b535917c51acc97fb0761b1edec85f1f3d02bda4 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-47571)Record last updated .