8.4

CVE-2026-89452

iommu/msm: Unwind probe state on registration failure

In the Linux kernel, the following vulnerability has been resolved:

iommu/msm: Unwind probe state on registration failure

msm_iommu_probe() adds its devm-managed IOMMU object to
qcom_iommu_devices before adding the IOMMU sysfs device and registering
it with the IOMMU core.

If iommu_device_sysfs_add() fails, probe returns with the object still on
qcom_iommu_devices. The driver core then releases the devm allocation,
leaving a dangling list entry that later list walks may dereference.

If iommu_device_register() fails, the same dangling list entry remains
and the sysfs device is left registered as well.

Unwind the sysfs device and global list entry in reverse setup order on
the corresponding failure paths.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 42df43b36163ed7d0ab13992e411093252903273
Version < 51e37f9179387b6e3fa64a3d3b4fece1a38b3a02
Status affected
Version 42df43b36163ed7d0ab13992e411093252903273
Version < f532401be9312ecd166f616bb74a65b0b4c150fa
Status affected
Version 42df43b36163ed7d0ab13992e411093252903273
Version < 7f7074a886c4a93e3d12076ce60a510a1ebe400c
Status affected
Version 42df43b36163ed7d0ab13992e411093252903273
Version < 535a200220ca2c83bc8bf54bd2cbe045d6ee70c4
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.11
Status affected
Version 0
Version < 4.11
Status unaffected
Version <= 6.12.*
Version 6.12.112
Status unaffected
Version <= 6.18.*
Version 6.18.50
Status unaffected
Version <= 7.2.*
Version 7.2.4
Status unaffected
Version <= *
Version 7.3-rc1
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.18% 0.078
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.4 2.5 5.9
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/f532401be9312ecd166f616bb74a65b0b4c150fa
https://git.kernel.org/stable/c/7f7074a886c4a93e3d12076ce60a510a1ebe400c
https://git.kernel.org/stable/c/535a200220ca2c83bc8bf54bd2cbe045d6ee70c4
https://git.kernel.org/stable/c/51e37f9179387b6e3fa64a3d3b4fece1a38b3a02