CVE-2018-19364
MEDIUMCVSS 5.5/10EPSS 0.53%
Last modified
CVE-2018-19364 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Qemu | Qemu | <= 3.0.0 | — |
| Qemu | Qemu | 3.1.0 | Rc0 |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
| Canonical | Ubuntu Linux | 18.04 | — |
| Canonical | Ubuntu Linux | 18.10 | — |
| Debian | Debian Linux | 8.0 | — |
| Debian | Debian Linux | 9.0 | — |
| Fedoraproject | Fedora | 29 | — |
| Opensuse | Leap | 42.3 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/20/1Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.htmlMailing List, Patch, Vendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.htmlMailing List, Patch, Vendor Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/20/1Mailing List, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00023.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.htmlMailing List, Patch, Vendor Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.htmlMailing List, Patch, Vendor Advisory
- https://seclists.org/bugtraq/2019/May/76Mailing List, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2018-19364?
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 a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.
How do I fix CVE-2018-19364?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2018-19364?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST