CVE-2018-19364 Information

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 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html http://www.openwall.com/lists/oss-security/2018/11/20/1 https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/ https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.html https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.html https://seclists.org/bugtraq/2019/May/76 https://usn.ubuntu.com/3826-1/ https://www.debian.org/security/2019/dsa-4454

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5