CVE-2016-7116

Severity: medium (CVSS 6.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-12-10 · updated 2026-06-17
Weakness: CWE-22

Description

Directory traversal vulnerability in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to access host files outside the export path via a .. (dot dot) in an unspecified string.

Affected products

Debian Linux: 8.0
QEMU: through 2.6.2; 2.7.0-rc0, 2.7.0-rc1, 2.7.0-rc2, 2.7.0-rc3, 2.7.0-rc4

References

http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=56f101ecce0eafd09e2daf1c4eeb1377d6959261
http://www.openwall.com/lists/oss-security/2016/08/30/1
http://www.openwall.com/lists/oss-security/2016/08/30/3
http://www.securityfocus.com/bid/92680
https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03917.html
https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04231.html
https://security.gentoo.org/glsa/201609-01
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=56f101ecce0eafd09e2daf1c4eeb1377d6959261
http://www.openwall.com/lists/oss-security/2016/08/30/1
http://www.openwall.com/lists/oss-security/2016/08/30/3
http://www.securityfocus.com/bid/92680

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