CVE-2022-50505iommu/amd: Fix pci device refcount leak in ppr_notifier()
- 5.5MediumCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 94% 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: iommu/amd: Fix pci device refcount leak in ppr_notifier() As comment of pci_get_domain_bus_and_slot() says, it returns a pci device with refcount increment, when finish using it, the caller must decrement the reference count by calling pci_dev_put(). So call it before returning from ppr_notifier() to avoid refcount leak.
Timeline
ID reserved
By Linux
Published
- 13 months later
· 13 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)
- 0.16% · top 94% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < bdb2113dd8f17a3cc84a2b4be4968a849f69ec72
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < efd50c65fd1cdef63eb58825f3fe72496443764c
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < 8581ec1feb895ff596fe3d326d9ba320083290aa
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < 03f51c72997559e73b327608f0cccfded715c9a0
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < 6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < 902cc2507091a81643502d8ceb0e2f105e902518
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < b0637f4bd426925f5c3a15e8f8e36190fe06bac5
- affected daae2d25a4779b272a66ddd01f5810bcee822b9e – < 6cf0981c2233f97d56938d9d61845383d6eb227c
- affected 4.14
- unaffected < 4.14
- unaffected 4.14.303 – ≤ 4.14.*
- unaffected 4.19.270 – ≤ 4.19.*
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References
References8
- https://git.kernel.org/stable/c/bdb2113dd8f17a3cc84a2b4be4968a849f69ec72 (opens in a new tab)
- https://git.kernel.org/stable/c/efd50c65fd1cdef63eb58825f3fe72496443764c (opens in a new tab)
- https://git.kernel.org/stable/c/8581ec1feb895ff596fe3d326d9ba320083290aa (opens in a new tab)
- https://git.kernel.org/stable/c/03f51c72997559e73b327608f0cccfded715c9a0 (opens in a new tab)
- https://git.kernel.org/stable/c/6e501b3fd7a2e1c4372d72bc70717aaca2beb8a5 (opens in a new tab)
- https://git.kernel.org/stable/c/902cc2507091a81643502d8ceb0e2f105e902518 (opens in a new tab)
- https://git.kernel.org/stable/c/b0637f4bd426925f5c3a15e8f8e36190fe06bac5 (opens in a new tab)
- https://git.kernel.org/stable/c/6cf0981c2233f97d56938d9d61845383d6eb227c (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-2025-32358 (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-2022-50505)Record last updated .