Description
kvmtool through 39181fc allows an out-of-bounds write, related to virtio/balloon.c and virtio/pci.c. This allows a guest OS user to execute arbitrary code on the host machine.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.c ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/ ↗
- https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/ ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772a ↗