Threats Tagged 'ubuntu-cve-2026-53042'
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Threats Tagged 'ubuntu-cve-2026-53042'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: fwctl: Fix class init ordering to avoid NULL pointer dereference on device… (CVE-2026-53042)CVE-2026-53042 0 In the Linux kernel, the following vulnerability has been resolved: fwctl: Fix class init ordering to avoid NULL pointer dereference on device removal CXL is linked before fwctl in drivers/Makefile. Both use `module_init, so `cxl_pci_driver_init()` runs first. When `cxl_pci_probe()` calls `fwctl_register()` and then `device_add()`, fwctl_class is not yet registered because fwctl_init() hasn't run, causing `class_to_subsys()` to return NULL and skip knode_class initialization. On device removal, `class_to_subsys()` returns non-NULL, and `device_del()` calls `klist_del()` on the uninitialized knode, triggering a NULL pointer dereference. Join the discussion | GCVE Database | 06/24/2026, 17:17:00 UTC Added: 07/16/2026, 10:37:52 UTC |
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