UnratedFix available
iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping() After commit e3beca48a45b ("irqdomain/treewide: Keep firmware node unconditionally allocated"). For tear down scenario, fn is only freed after fail to allocate ir_domain, though it also should be freed in case dmar_enable_qi returns error. Besides free fn, irq_domain and ir_msi_domain need to be removed as well if intel_setup_irq_remapping fails to enable queued invalidation. Improve the rewinding path by add out_free_ir_domain and out_free_fwnode lables per Baolu's suggestion.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 4.14.265, 4.19.228, 5.10.99, 5.15.22, 5.16.8, 5.4.178
- CVEs
- CVE-2022-48724
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 03:24 UTC · Revision 1
Source evidence
iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
core-osv · Original sourcePublished 20 Jun 2024, 11:13 UTC
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping() After commit e3beca48a45b ("irqdomain/treewide: Keep firmware node unconditionally allocated"). For tear down scenario, fn is only freed after fail to allocate ir_domain, though it also should be freed in case dmar_enable_qi returns error. Besides free fn, irq_domain and ir_msi_domain need to be removed as well if intel_setup_irq_remapping fails to enable queued invalidation. Improve the rewinding path by add out_free_ir_domain and out_free_fwnode lables per Baolu's suggestion.
osv:CVE-2022-48724
Kernel
Fixed versions: 4.14.265, 4.19.228, 5.4.178, 5.10.99, 5.15.22, 5.16.8
Complete source record
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