What’s Vulnerable › Vulnerabilities

CVE-2018-19489

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-13 · updated 2026-06-17
• Weakness: CWE-362

Description

v9fs_wstat in hw/9pfs/9p.c in QEMU allows guest OS users to cause a denial of service (crash) because of a race condition during file renaming.

Affected products

• Canonical Ubuntu Linux: 14.04, 16.04, 18.04, 18.10
• Debian Linux: 8.0, 9.0
• Fedoraproject Fedora: 29
• openSUSE Leap: 42.3
• QEMU: through 3.0.0; 3.1.0-rc0, 3.1.0-rc1, 3.1.0-rc2

References

• http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
• http://www.openwall.com/lists/oss-security/2018/11/26/1
• http://www.securityfocus.com/bid/106007
• https://exchange.xforce.ibmcloud.com/vulnerabilities/153326
• https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d20398694a3b67a388d955b7a945ba4aa90a8a8
• https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
• https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg04489.html
• https://seclists.org/bugtraq/2019/May/76
• https://security-tracker.debian.org/tracker/CVE-2018-19489
• https://usn.ubuntu.com/3923-1/
• https://www.debian.org/security/2019/dsa-4454

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