CVE-2022-48724 (GCVE-0-2022-48724)

Vulnerability from cvelistv5 – Published: 2024-06-20 11:13 – Updated: 2025-05-04 12:43
VLAI?
Title
iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()
Summary
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 03992c88d71ba79d956f2ed54e370e630b8750f4 , < a0c685ba99961b1dd894b2e470e692a539770f6d (git)
Affected: c0c489e5430530a7021f4c889cd5931597e4b200 , < a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9 (git)
Affected: 36f7355545725c5e9400520ae33e6ee16cf78c0e , < 5c43d46daa0d2928234dd2792ebebc35d29ee2d1 (git)
Affected: e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb , < 9d9995b0371e4e8c18d4f955479e5d47efe7b2d4 (git)
Affected: e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb , < 336d096b62bdc673e852b6b80d5072d7888ce85d (git)
Affected: e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb , < b62eceb5f8f08815fe3f945fc55bbf997c344ecd (git)
Affected: e3beca48a45b5e0e6e6a4e0124276b8248dcc9bb , < 99e675d473eb8cf2deac1376a0f840222fc1adcf (git)
Affected: b4198ecddb87cd955aa9e024dd656af5ceaf6196 (git)
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    Linux Linux Affected: 5.8
Unaffected: 0 , < 5.8 (semver)
Unaffected: 4.14.265 , ≤ 4.14.* (semver)
Unaffected: 4.19.228 , ≤ 4.19.* (semver)
Unaffected: 5.4.178 , ≤ 5.4.* (semver)
Unaffected: 5.10.99 , ≤ 5.10.* (semver)
Unaffected: 5.15.22 , ≤ 5.15.* (semver)
Unaffected: 5.16.8 , ≤ 5.16.* (semver)
Unaffected: 5.17 , ≤ * (original_commit_for_fix)
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  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.