Back
CVE-2022-50809
xhci: dbc: Fix memory leak in xhci_alloc_dbc()
Not scoredEPSS 0.24%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: xhci: dbc: Fix memory leak in xhci_alloc_dbc() If DbC is already in use, then the allocated memory for the xhci_dbc struct doesn't get freed before returning NULL, which leads to a memleak.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.24% · top 84% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected d7afb4a13f6c6ee7df7d0bfc67b4ef19ece6d802 – < 103b459590e1eb4d80b02761eb36c7cae1d9b58e
- affected 534675942e901959b5d8dc11ea526c4e48817d8e – < 116d6a6964986ea7eb516daa36128d270f1f248d
- affected 534675942e901959b5d8dc11ea526c4e48817d8e – < 69e67c804d09a6b1bcda1f4f242f151f813eeb4a
- affected 534675942e901959b5d8dc11ea526c4e48817d8e – < d591b32e519603524a35b172156db71df9116902
- affected 5.15.58 – < 5.15.75
- affected 5.18
- unaffected < 5.18
- unaffected 5.15.75 – ≤ 5.15.*
- unaffected 5.19.17 – ≤ 5.19.*
- unaffected 6.0.3 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (4)
- https://git.kernel.org/stable/c/103b459590e1eb4d80b02761eb36c7cae1d9b58e (opens in a new tab)
- https://git.kernel.org/stable/c/116d6a6964986ea7eb516daa36128d270f1f248d (opens in a new tab)
- https://git.kernel.org/stable/c/69e67c804d09a6b1bcda1f4f242f151f813eeb4a (opens in a new tab)
- https://git.kernel.org/stable/c/d591b32e519603524a35b172156db71df9116902 (opens in a new tab)
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-2022-50809)Record last updated .