CVE-2016-9602
Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Qemu before version 2.9 is vulnerable to an improper link following when built with the VirtFS. A privileged user inside guest could use this flaw to access host file system beyond the shared folder and potentially escalating their privileges on a host.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.65% probability · 90th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-59
- Affected
- qemu/qemu · debian/debian linux
- Source
- secalert@redhat.com
EPSS 3.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.openwall.com/lists/oss-security/2017/01/17/12Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95461Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037604Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06225.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04347.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201704-01Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/17/12Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/95461Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037604Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9602Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-01/msg06225.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg04347.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/201704-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.