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CVE-2024-40945 In the Linux kernel, the following vulnerability has been resolved: iommu: Return right value in iommu_sva_bind_device()…

Description

In the Linux kernel, the following vulnerability has been resolved: iommu: Return right value in iommu_sva_bind_device() iommu_sva_bind_device() should return either a sva bond handle or an ERR_PTR value in error cases. Existing drivers (idxd and uacce) only check the return value with IS_ERR(). This could potentially lead to a kernel NULL pointer dereference issue if the function returns NULL instead of an error pointer. In reality, this doesn't cause any problems because iommu_sva_bind_device() only returns NULL when the kernel is not configured with CONFIG_IOMMU_SVA. In this case, iommu_dev_enable_feature(dev, IOMMU_DEV_FEAT_SVA) will return an error, and the device drivers won't call iommu_sva_bind_device() at all.

Produits et versions touchés

Produit Versions touchées Corrigé en
Linux 6.10 premières → < 6.10 6.10
Linux 6.9 premières → < 6.9.6 6.9.6
Linux 6.6 premières → < 6.6.35 6.6.35
Linux 6.1 premières → < 6.1.129 6.1.129
Linux 5.15 premières → < 5.15.162 5.15.162
Linux 5.10 premières → < 5.10.221 5.10.221
Linux 5.4 premières → < 5.4.279 5.4.279
Linux 5.2 Pas de correctif indiqué
RUGGEDCOM RST2428P 3.1 premières → < 3.1 3.1
Afficher les 3 autres branches
Produit Versions touchées Corrigé en
SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family Versions non publiées
SCALANCE XCM-/XRM-/XCH-/XRH-300 family 3.1 premières → < 3.1 3.1
SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Versions non publiées

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