CVE-2017-7493

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.4%

exploitation probability

0.4%top 71% of all CVEs

observed exploitation

nono source reports it

Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.

Affected products

QEMU · qemu

References

https://bugzilla.redhat.com/show_bug.cgi?id=1451709 http://seclists.org/oss-sec/2017/q2/278 https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg03663.html https://security.gentoo.org/glsa/201706-03 http://www.securityfocus.com/bid/98574