CVE-2024-57843

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix overflow inside virtnetrqalloc When the frag just got a page, then may lead to regression on VM. Specially if the sysctl net.core.highorderallocdisable value is 1, then the frag always get a page when do refill...

CVE-2024-57843

CVE-2024-57843 concerns the Linux kernel’s virtio-net driver, specifically virtnet_rq_alloc. The defect arises when a fragment is exactly one page and the combined size of the buffer and virtnet_rq_dma (which reserves 16 bytes at the start of a new fragment) exceeds a page, causing an overflow. T...