CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, с обикновен потребителски вход и без действие от потребителя.
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix use-after-free in amdxdna_gem_dmabuf_mmap() When vm_insert_pages() fails, the error path calls vma->vm_ops->close(vma) which internally calls drm_gem_vm_close() → drm_gem_object_put(), releasing the GEM object reference acquired at the start of the function. However, the close_vma label then falls through to put_obj, which calls drm_gem_object_put() a second time on the same object. If the first put releases the last reference, the object is freed and the second put accesses freed memory, causing a use-after-free. Fix by returning directly from close_vma instead of falling through to put_obj, since the close handler already performs all necessary cleanup including the object put.
Засегнати продукти
- Linux Linux: e486147c912f653ef4b60a6c7dbd4168a4c56a9f преди 4e370b5289624f46a356dcc94f9f87025eaa6036; e486147c912f653ef4b60a6c7dbd4168a4c56a9f преди 5da885c39baa70f570a8be35a78e85a351f33918; e486147c912f653ef4b60a6c7dbd4168a4c56a9f преди 63bbf9ac5dde2ba85e7b39d0a0b7d540e6252ba4
- Linux Linux: 6.16; преди 6.16; 6.18.40 до 6.18.*; 7.1.5 до 7.1.*; 7.2 до *
История
- 15 август 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-72093
- https://nvd.nist.gov/vuln/detail/CVE-2026-72093
- https://git.kernel.org/stable/c/4e370b5289624f46a356dcc94f9f87025eaa6036
- https://git.kernel.org/stable/c/5da885c39baa70f570a8be35a78e85a351f33918
- https://git.kernel.org/stable/c/63bbf9ac5dde2ba85e7b39d0a0b7d540e6252ba4