Threats Tagged 'ubuntu-cve-2026-52952'
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Threats Tagged 'ubuntu-cve-2026-52952'
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A vulnerability in the Linux kernel's IOMMU subsystem was fixed to address a use-after-free (UAF) condition triggered by improper handling of domain attachments during device recovery. The flaw involved the __iommu_group_set_domain_nofail() function, where concurrent domain attachments were incorrectly rejected, causing a WARN_ON and potential UAF when re-attaching the domain. This issue affects multiple Linux kernel versions prior to specific 7.0.0 releases and has been resolved in updated kernel packages. The vulnerability has a high CVSS score of 8.8, indicating significant confidentiality, integrity, and availability impacts, but no known exploits are reported in the wild. The fix is available through official Ubuntu kernel updates requiring a system reboot and recompilation of third-party kernel modules due to ABI changes. Join the discussion | GCVE Database | 06/24/2026, 17:17:00 UTC Added: 07/17/2026, 10:18:19 UTC |
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