CVE-2023-53482

Summary

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

iommu: Fix error unwind in iommu_group_alloc()

If either iommu_group_grate_file() fails then the iommu_group is leaked.

Destroy it on these error paths.

Found by kselftest/iommu/iommufd_fail_nth

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbc7d12b91bd35477fd650c4d72b61239de9d9066 < f119ef452e2d82d912797273cb790a86f1125b3eaffected
LinuxLinuxbc7d12b91bd35477fd650c4d72b61239de9d9066 < 4c23124b45ee0aa895ed8d5d08871ae6b15ee336affected
LinuxLinuxbc7d12b91bd35477fd650c4d72b61239de9d9066 < 8602fa38a63fc689eca29c8c586fac2d8a1f8739affected
LinuxLinuxbc7d12b91bd35477fd650c4d72b61239de9d9066 < 4daa861174d56023c2068ddb03de0752f07fa199affected
LinuxLinux4.11affected
LinuxLinux0 < 4.11unaffected
LinuxLinux5.15.99 <= 5.15.*unaffected
LinuxLinux6.1.16 <= 6.1.*unaffected
LinuxLinux6.2.3 <= 6.2.*unaffected
LinuxLinux6.3 <= *unaffected

Weaknesses

References