CVE-2021-45464
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.4%
exploitation probability
0.4%top 71% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
n/a · n/aReferences
https://cdn.discordapp.com/attachments/921419715170164776/921882173517230100/exploit.chttps://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/commit/?id=39181fc6429f4e9e71473284940e35857b42772ahttps://git.kernel.org/pub/scm/linux/kernel/git/will/kvmtool.git/log/https://www.kalmarunionen.dk/writeups/2021/hxp-2021/lkvm/