The vulnerability of the vmclock_miscdev_mmap() function in the drivers/ptp/ptp_vmclock.c file of Linux kernel systems allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the vmclockmiscdevmmap function in the drivers/ptp/ptpvmclock.c file of Linux kernel operating systems is related to incorrect execution permissions. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of protect...

CVE-2026-80724: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: prevent read-only mappings from becoming writable vmclockmiscdevmmap rejects writable mappings of the shared vmclock ABI page with -EROFS, but leaves VMMAYWRITE set. Userspace can map the page read-only and then...