5.5

CVE-2022-48724

iommu/vt-d: Fix potential memory leak in intel_setup_irq_remapping()

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 4.14.190 < 4.14.265
Linux ≫ Linux Kernel Version >= 4.19.135 < 4.19.228
Linux ≫ Linux Kernel Version >= 5.4.54 < 5.4.178
Linux ≫ Linux Kernel Version >= 5.7.11 < 5.8
Linux ≫ Linux Kernel Version >= 5.8 < 5.10.99
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.22
Linux ≫ Linux Kernel Version >= 5.16 < 5.16.8
Linux ≫ Linux Kernel Version5.17 Updaterc1
Linux ≫ Linux Kernel Version5.17 Updaterc2
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.143
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/336d096b62bdc673e852b6b80d5072d7888ce85d
Patch
https://git.kernel.org/stable/c/5c43d46daa0d2928234dd2792ebebc35d29ee2d1
Patch
https://git.kernel.org/stable/c/99e675d473eb8cf2deac1376a0f840222fc1adcf
Patch
https://git.kernel.org/stable/c/9d9995b0371e4e8c18d4f955479e5d47efe7b2d4
Patch
https://git.kernel.org/stable/c/a0c685ba99961b1dd894b2e470e692a539770f6d
Patch
https://git.kernel.org/stable/c/a31cb1f0fb6caf46ffe88c41252b6b7a4ee062d9
Patch
https://git.kernel.org/stable/c/b62eceb5f8f08815fe3f945fc55bbf997c344ecd
Patch