CVE-2019-20175 · cross-distro fix matrix

CVE-2019-20175: An issue was discovered in ide_dma_cb() in hw/ide/core.c in QEMU 2.4.0 through 4.2.0. The guest system can crash the QEMU process in the host system via a special SCSI_IOCTL_SEND_COMMAND. It hits an assertion that implies that the size of successful DMA transfers there must be a multiple of 512 (the

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-20175 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

qemu→ fixed in1:5.0-1urgency: unimportant

sudo apt-get install --only-upgrade -y qemu

Debian bookworm

Source: Debian Security Tracker

qemu→ fixed in1:5.0-1urgency: unimportant

sudo apt-get install --only-upgrade -y qemu

Debian trixie

Source: Debian Security Tracker

qemu→ fixed in1:5.0-1urgency: unimportant

sudo apt-get install --only-upgrade -y qemu

Are YOU affected by CVE-2019-20175?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

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