CVE-2023-42467

QEMU through 8.0.0 could trigger a division by zero in scsi_disk_reset in hw/scsi/scsi-disk.c because scsi_disk_emulate_mode_select does not prevent s->qdev.blocksize from being 256. This stops QEMU and the guest immediately.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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CISA-ADPADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 1%
VendorProductVersion
qemuqemu
𝑥
≤ 8.0.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
qemu
bullseye
1:5.2+dfsg-11+deb11u3
not-affected
buster
not-affected
bullseye (security)
1:5.2+dfsg-11+deb11u2
fixed
bookworm
1:7.2+dfsg-7+deb12u7
fixed
trixie
1:9.2.0+ds-2
fixed
sid
1:9.2.0+ds-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
qemu
oracular
Fixed 1:8.1.3+ds-1ubuntu1
released
noble
Fixed 1:8.1.3+ds-1ubuntu1
released
mantic
Fixed 1:8.0.4+dfsg-1ubuntu3.23.10.2
released
lunar
Fixed 1:7.2+dfsg-5ubuntu2.4
released
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c
https://gitlab.com/qemu-project/qemu/-/issues/1813
https://security.netapp.com/advisory/ntap-20231103-0005/
https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c
https://gitlab.com/qemu-project/qemu/-/issues/1813
https://security.netapp.com/advisory/ntap-20231103-0005/