CVE-2018-19489: 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

Medium severity · published Dec 13, 2018

CVE-2018-19489

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

4.7

CVSS

0.4%

EPSS

On KEV

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.

CVSS vector

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

Attack vector

Local

Complexity

High

Privileges

Low

User interaction

None

Confidentiality

None

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.4% · higher than 34% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Debian Linux · Debian

8.0; 9.0 · source: NVD

Fedora · Fedoraproject

29 · source: NVD

Leap · Opensuse

42.3 · source: NVD

Qemu · Qemu

through 3.0.0; 3.1.0; 3.1.0; 3.1.0 · source: NVD

Ubuntu Linux · Canonical

14.04; 16.04; 18.04; 18.10 · source: NVD

Affected product

Ubuntu Linux

Canonical

All Ubuntu Linux CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2018-19489

CVE.org

https://www.cve.org/CVERecord?id=CVE-2018-19489

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html

Mailing List

http://www.openwall.com/lists/oss-security/2018/11/26/1

Third Party Advisory

http://www.securityfocus.com/bid/106007

Third Party Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/153326

git.qemu.org

https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d20398694a3b67a388d955b7a945ba4aa90a8a8

Mailing List

https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html