Medium severity · published Dec 13, 2018
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
5.5
CVSS
0.5%
EPSS
No
On KEV
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
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
FE
Fedora · Fedoraproject
29 · source: NVD
LE
Leap · Opensuse
42.3 · source: NVD
QE
Qemu · Qemu
through 3.0.0; 3.1.0; 3.1.0 · source: NVD
UL
Ubuntu Linux · Canonical
14.04; 16.04; 18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19364
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19364
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
Mailing List
http://www.openwall.com/lists/oss-security/2018/11/20/1
Mailing List
https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg01139.html
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg02795.html
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