CVE-2017-5987

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-03-20 · updated 2026-06-17
Weakness: CWE-835

Description

The sdhci_sdma_transfer_multi_blocks function in hw/sd/sdhci.c in QEMU (aka Quick Emulator) allows local OS guest privileged users to cause a denial of service (infinite loop and QEMU process crash) via vectors involving the transfer mode register during multi block transfer.

Affected products

Debian Linux: 8.0
QEMU: through 2.8.1.1; 2.9.0-rc0, 2.9.0-rc1, 2.9.0-rc2, 2.9.0-rc3, 2.9.0-rc4

References

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=6e86d90352adf6cb08295255220295cf23c4286e
http://www.openwall.com/lists/oss-security/2017/02/14/8
http://www.securityfocus.com/bid/96263
https://bugzilla.redhat.com/show_bug.cgi?id=1421995
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg02776.html
https://security.gentoo.org/glsa/201704-01
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=6e86d90352adf6cb08295255220295cf23c4286e
http://www.openwall.com/lists/oss-security/2017/02/14/8
http://www.securityfocus.com/bid/96263
https://bugzilla.redhat.com/show_bug.cgi?id=1421995
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html

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