CVE-2022-49000
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
iommu/vt-d: Fix PCI device refcount leak in has_external_pci()
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in has_external_pci() for_each_pci_dev() is implemented by pci_get_device(). The comment of pci_get_device() says that it will increase the reference count for the returned pci_dev and also decrease the reference count for the input pci_dev @from if it is not NULL. If we break for_each_pci_dev() loop with pdev not NULL, we need to call pci_dev_put() to decrease the reference count. Add the missing pci_dev_put() before 'return true' to avoid reference count leak.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 89a6079df791aeace2044ea93be1b397195824ec | affected | git | 10ed7655a17f6a3eaecd1293830488259ccd5723 | Unavailable | None listed |
| 89a6079df791aeace2044ea93be1b397195824ec | affected | git | b6eea8b2e858a20ad58ac62dc2de90fea2413f94 | Unavailable | None listed |
| 89a6079df791aeace2044ea93be1b397195824ec | affected | git | 17f67414718e6aba123335a33b7d15aa594fff34 | Unavailable | None listed |
| 89a6079df791aeace2044ea93be1b397195824ec | affected | git | afca9e19cc720bfafc75dc5ce429c185ca93f31d | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.0 | Unavailable | None listed |
| 5.10.158 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.82 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.0.12 | unaffected | semver | Unavailable | 6.0.* | None listed |
| 6.1 | unaffected | original_commit_for_fix | Unavailable | * | None listed |