Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Tracing: Do not allow mmap of persistent ring buffers. When attempting to mmap a trace instance buffer that is attached to reservemem, it would cause a crash: BUG: Unable to handle a page fault for address: ffffe97bd00025c8 PF:...

PT-2020-4970 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.7.11 Description: A race condition exists between certain expand functions expand downwards and expand upwards and page-table free operations from an munmap call. This issue can be exploited to cause a denial ...