Threats Tagged 'cve-2026-63885'
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Threats Tagged 'cve-2026-63885'
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In the Linux kernel, the following vulnerability has been resolved: drm/gem: fix race between change_handle and handle_delete… (CVE-2026-63885)CVE-2026-63885 0 In the Linux kernel, the following vulnerability has been resolved: drm/gem: fix race between change_handle and handle_delete drm_gem_change_handle_ioctl leaves the old handle live in the IDR during the window between spin_unlock(table_lock) and the final spin_lock(table_lock). A concurrent drm_gem_handle_delete on the old handle succeeds in this window, decrements handle_count to 0, and frees the GEM object while the new handle's IDR entry still references it. NULL the old handle's IDR entry before dropping table_lock so that any concurrent GEM_CLOSE on the old handle sees NULL and returns -EINVAL. Restore the old entry on the prime-bookkeeping error path. Join the discussion | GCVE Database | 07/19/2026, 18:31:44 UTC Added: 07/19/2026, 19:38:19 UTC |
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