UBUNTU-CVE-2026-64280

In the Linux kernel, the following vulnerability has been resolved: fpga: dfl-afu: validate DMA mapping length in afudmamapregion afuioctldmamap accepts a 64-bit length from userspace via DFLFPGAPORTDMAMAP ioctl without an upper bound check. The value is passed to afudmapinpages where npages is...

PT-2026-64501

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where afu ioctl dma map accepts a 64-bit length from userspace via the DFL FPGA PORT DMA MAP ioctl without an upper bound check. This value is passed to afu dma pin pages...

CVE-2026-31648

A flaw was found in the Linux kernel. A race condition in the filemapmappages function can lead to an integer overflow during the calculation of nrpages. This overflow causes the system to map memory beyond the intended boundaries of a memory block, potentially corrupting critical page metadata. ...