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CVE-2020-17380

Published: 14 August 2020

A heap-based buffer overflow was found in QEMU through 5.0.0 in the SDHCI device emulation support. It could occur while doing a multi block SDMA transfer via the sdhci_sdma_transfer_multi_blocks() routine in hw/sd/sdhci.c. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition, or potentially execute arbitrary code with privileges of the QEMU process on the host.

Priority

Medium

CVSS 3 base score: 6.3

Status

Package Release Status
qemu
Launchpad, Ubuntu, Debian
Upstream
Released (1:5.2+dfsg-1)
Ubuntu 21.10 (Impish Indri)
Released (1:5.2+dfsg-2ubuntu1)
Ubuntu 21.04 (Hirsute Hippo)
Released (1:5.2+dfsg-2ubuntu1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (1:4.2-3ubuntu6.10)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (1:2.11+dfsg-1ubuntu7.34)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (1:2.5+dfsg-5ubuntu10.48)
Ubuntu 14.04 ESM (Trusty Tahr) Needed

Patches:
Other: https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg01175.html
Upstream: https://git.qemu.org/?p=qemu.git;a=commit;h=dfba99f17feb6d4a129da19d38df1bcd8579d1c3
qemu-kvm
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.10 (Impish Indri) Does not exist

Ubuntu 21.04 (Hirsute Hippo) Does not exist

Ubuntu 20.04 LTS (Focal Fossa) Does not exist

Ubuntu 18.04 LTS (Bionic Beaver) Does not exist

Ubuntu 16.04 ESM (Xenial Xerus) Does not exist

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist