Attributed metadata history
Up to 100 retained publisher events per page for d72996b99fa98605ffc796375e2d7f0cc2f4b917752b8c0c922592c6f9a6da12. Withdrawals and unavailable references remain attributed to their publishers.
intelligence_src_350d40f2cc69277bca
observed · 2026-10-12 08:34:02 UTC
Summary Due to a bug in the way mappings are closed it is possible to free a kmallocated memory chunk arbitrary times. This vulnerability can be used to craft a use after free scenario against any kernel structure that is allocated from the kmalloc-64 cache. There is rich public literature on how such use after free vulnerabilities can be utilized to compromise the kernel, achieve code execution in kernel context, and elevate privileges of user space processes. Even when modern mitigation is deployed. The mmap handler is exposed through the /dev/davinci0 character device. Due to the applied selinux policy, access to this device is restricted to the hiaiserver system process.
Fingerprint: fb0f9ae8e082cf45dbefb482feb812ba6d8b9e0a822600d90f0ae2f0b752eb6c
intelligence_src_350d40f2cc69277bca
observed · 2026-10-12 08:34:02 UTC
available
Fingerprint: fe0fdc07a129ff203534388ab215df24d870069207d85287923a2a35a12b5578