Linux Kernel Vulnerability in virtio-net Affecting Various Distributions
CVE-2024-57843
What is CVE-2024-57843?
A vulnerability in the Linux kernel's virtio-net component may lead to instability in virtual machines, particularly when specific system configurations are in place. The issue arises when the size of the fragment exceeds the PAGE_SIZE while the request for a DMA buffer could potentially overflow. This flaw, introduced by a previous commit, was identified to cause reliable crashes and failures when transferring files using scp in a virtualized environment. The latest updates attempt to mitigate this problem by adjusting buffer lengths, aiming to stabilize VM operations and improve system reliability.
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Affected Version(s)
Linux 295525e29a5b5694a6e96864f0c1365f79639863
Linux 295525e29a5b5694a6e96864f0c1365f79639863 < 67a11de8965c2ab19e215fb6651d44847e068614
Linux 295525e29a5b5694a6e96864f0c1365f79639863 < 6aacd1484468361d1d04badfe75f264fa5314864