Vulnerability identifier: #VU6935
Vulnerability risk: Low
CVSSv3.1: 2.3 [CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
QEMU
Client/Desktop applications /
Virtualization software
Vendor: QEMU
Description
The (1) v9fs_create and (2) v9fs_lcreate functions in hw/9pfs/9p.c in
QEMU (aka Quick Emulator) allow local guest OS privileged users to cause
a denial of service (file descriptor or memory consumption) via vectors
related to an already in-use fid.
Mitigation
Update to version 2.9.0-r2.
Vulnerable software versions
QEMU: 0.15.2 - 2.9.0
External links
http://git.qemu.org/?p=qemu.git;a=commit;h=d63fb193e71644a073b77ff5ac6f1216f2f6cf6e
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.