CVE-2022-49002
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 dmar_dev_scope_init()
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix PCI device refcount leak in dmar_dev_scope_init() 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() for the error path 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) |
|---|---|---|---|---|---|
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | d47bc9d7bcdbb9adc9703513d964b514fee5b0bf | Unavailable | None listed |
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | 71c4a621985fc051ab86d3a86c749069a993fcb2 | Unavailable | None listed |
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | 876d7bfb89273997056220029ff12b1c2cc4691d | Unavailable | None listed |
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | cbdd83bd2fd67142b03ce9dbdd1eab322ff7321f | Unavailable | None listed |
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | a5c65cd56aed027f8a97fda8b691caaeb66d115e | Unavailable | None listed |
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | bdb613ef179ad4bb9d56a2533e9b30e434f1dfb7 | Unavailable | None listed |
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | 2a8f7b90681472948de172dbbf5a54cd342870aa | Unavailable | None listed |
| 2e45528930388658603ea24d49cf52867b928d3e | affected | git | 4bedbbd782ebbe7287231fea862c158d4f08a9e3 | 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) |
|---|---|---|---|---|---|
| 3.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 3.15 | Unavailable | None listed |
| 4.9.335 | unaffected | semver | Unavailable | 4.9.* | None listed |
| 4.14.301 | unaffected | semver | Unavailable | 4.14.* | None listed |
| 4.19.268 | unaffected | semver | Unavailable | 4.19.* | None listed |
| 5.4.226 | unaffected | semver | Unavailable | 5.4.* | 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 |