VulnerabilityModified
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.
MEDIUM 5.5EPSS 0.53%
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.53% probability · 45th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- qemu/qemu · canonical/ubuntu linux · debian/debian linux · fedoraproject/fedora · opensuse/leap
- Source
- cve@mitre.org
EPSS 0.5% 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://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.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
- 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.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.