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CVE-2022-50033usb: host: ohci-ppc-of: Fix refcount leak bug
- 5.5MediumCVSS base score
- 0.21%Exploitation in 30 daysEPSS · top 89% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: usb: host: ohci-ppc-of: Fix refcount leak bug In ohci_hcd_ppc_of_probe(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
Timeline
ID reserved
By Linux
Published
- 11 months later
· 11 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 · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.21% · top 89% of all CVEs (15 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < fe6fe64403710287f0ae61a516954d8a4f7c9e3f
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < ec583e300aee9f152a64911445092d18e1c36729
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < 0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < cb5dd65e889163e723df1c2f02288cc527a57785
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < 0fc62bbc95319bbd330e3645afc7c286acec9ef8
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < 403132881e66db7aa98b55c6655daedd80d407fd
- affected 796bcae7361c28cf825780f6f1aac9dd3411394e – < 40a959d7042bb7711e404ad2318b30e9f92c6b9b
- affected 2.6.29
- unaffected < 2.6.29
- unaffected 4.9.326 – ≤ 4.9.*
- unaffected 4.14.291 – ≤ 4.14.*
- unaffected 4.19.256 – ≤ 4.19.*
- unaffected 5.4.211 – ≤ 5.4.*
- unaffected 5.10.138 – ≤ 5.10.*
- unaffected 5.15.63 – ≤ 5.15.*
- unaffected 5.19.4 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References
References8
- https://git.kernel.org/stable/c/fe6fe64403710287f0ae61a516954d8a4f7c9e3f (opens in a new tab)
- https://git.kernel.org/stable/c/c5c5bd5cdcc6dc9f75f53d1c89af463d39a2bb96 (opens in a new tab)
- https://git.kernel.org/stable/c/ec583e300aee9f152a64911445092d18e1c36729 (opens in a new tab)
- https://git.kernel.org/stable/c/0334d23c56ecf1ee1563bb83e29cc5a51ed7fb4e (opens in a new tab)
- https://git.kernel.org/stable/c/cb5dd65e889163e723df1c2f02288cc527a57785 (opens in a new tab)
- https://git.kernel.org/stable/c/0fc62bbc95319bbd330e3645afc7c286acec9ef8 (opens in a new tab)
- https://git.kernel.org/stable/c/403132881e66db7aa98b55c6655daedd80d407fd (opens in a new tab)
- https://git.kernel.org/stable/c/40a959d7042bb7711e404ad2318b30e9f92c6b9b (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)
- EUVD EUVD-2022-55220 (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://cveledger.app/cve/CVE-2022-50033)Record last updated .