Vulnerability Description
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumption) via vectors related to an already in-use fid.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.8.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5a
- http://www.openwall.com/lists/oss-security/2017/04/03/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/97319Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1437871Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201706-03Third Party Advisory
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=d63fb193e71644a073b77ff5a
- http://www.openwall.com/lists/oss-security/2017/04/03/2Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/97319Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1437871Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-03/msg05449.htmlPatchThird Party Advisory
- https://security.gentoo.org/glsa/201706-03Third Party Advisory
FAQ
What is CVE-2017-7377?
CVE-2017-7377 is a vulnerability with a CVSS score of 6.0 (MEDIUM). The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS privileged users to cause a denial of service (file descriptor or memory consumptio...
How severe is CVE-2017-7377?
CVE-2017-7377 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-7377?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.