Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 and results in pagemapscanbackoutrange, the kernel panics due to a null-ptr-deref. 44.936808 Oops: general protection fault, likely fo...

CVE-2025-40009 fs/proc/task_mmu: check p->vec_buf for NULL

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: check p-vecbuf for NULL When the PAGEMAPSCAN ioctl is invoked with veclen = 0 reaches pagemapscanbackoutrange, kernel panics with null-ptr-deref: 44.936808 Oops: general protection fault, probably for non-canonic...