Vulnerability Description
hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 3.0.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Debian | Debian Linux | 8.0 |
| Fedoraproject | Fedora | 29 |
| Opensuse | Leap | 42.3 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/20/1Mailing ListPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.htmlMailing ListPatchVendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.htmlMailing ListPatchVendor Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing ListThird Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/20/1Mailing ListPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.htmlMailing ListPatchVendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.htmlMailing ListPatchVendor Advisory
FAQ
What is CVE-2018-19364?
CVE-2018-19364 is a vulnerability with a CVSS score of 5.5 (MEDIUM). hw/9pfs/cofile.c and hw/9pfs/9p.c in QEMU can modify an fid path while it is being accessed by a second thread, leading to (for example) a use-after-free outcome.
How severe is CVE-2018-19364?
CVE-2018-19364 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-19364?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Canonical Ubuntu Linux, Debian Debian Linux, Fedoraproject Fedora, Opensuse Leap.