CVE-2022-48724

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-401

Affected software

VendorProductVersions
LinuxLinux>= 03992c88d71ba79d956f2ed54e370e630b8750f4, < a0c685ba99961b1dd894b2e470e692a539770f6d; >= c0c489e5430530a7021f4c889cd5931597e4b200, < a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9; >= 36f7355545725c5e9400520ae33e6ee16cf78c0e, < 5c43d46daa0d2928234dd2792ebebc35d29ee2d1; >= e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb, < 9d9995b0371e4e8c18d4f955479e5d47efe7b2d4; >= e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb, < 336d096b62bdc673e852b6b80d5072d7888ce85d; >= e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb, < b62eceb5f8f08815fe3f945fc55bbf997c344ecd; >= e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb, < 99e675d473eb8cf2deac1376a0f840222fc1adcf; b4198ecddb87cd955aa9e024dd656af5ceaf6196; >= 4.14.190, < 4.14.265; >= 4.19.135, < 4.19.228; >= 5.4.54, < 5.4.178; >= 5.7.11, < 5.8
LinuxLinux5.8

References

Timeline

Published
Jun 20, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-48724: Medium severity, CVSS 5.5 | Vulnix