Vulnerability Details : 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.
Vulnerability category: Denial of service
Products affected by CVE-2018-19489
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:3.1.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:3.1.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:3.1.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-19489
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19489
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
1.9
|
LOW | AV:L/AC:M/Au:N/C:N/I:N/A:P |
3.4
|
2.9
|
NIST | |
|
4.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.0
|
3.6
|
NIST |
CWE ids for CVE-2018-19489
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-19489
-
https://git.qemu.org/?p=qemu.git;a=commit;h=1d20398694a3b67a388d955b7a945ba4aa90a8a8
git.qemu.org Git - qemu.git/commitMailing List;Patch;Vendor Advisory
-
https://www.debian.org/security/2019/dsa-4454
Debian -- Security Information -- DSA-4454-1 qemuThird Party Advisory
-
https://usn.ubuntu.com/3923-1/
USN-3923-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg04489.html
[Qemu-devel] [PATCH] 9p: fix QEMU crash when renaming filesMailing List;Patch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2019/01/msg00023.html
[SECURITY] [DLA 1646-1] qemu security updateMailing List;Third Party Advisory
-
https://seclists.org/bugtraq/2019/May/76
Bugtraq: [SECURITY] [DSA 4454-1] qemu security updateMailing List;Third Party Advisory
-
https://security-tracker.debian.org/tracker/CVE-2018-19489
CVE-2018-19489Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2018/11/26/1
oss-security - CVE-2018-19489 QEMU: 9pfs: crash due to race condition in renaming filesMailing List;Patch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
[security-announce] openSUSE-SU-2019:1074-1: important: Security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CGCFIFSIWUREEQQOZDZFBYKWZHXCWBZN/
[SECURITY] Fedora 29 Update: qemu-3.0.0-4.fc29 - package-announce - Fedora Mailing-ListsMailing List;Release Notes;Third Party Advisory
-
https://exchange.xforce.ibmcloud.com/vulnerabilities/153326
Quick Emulator(Qemu) Plan 9 File System (9pfs) support denial of service CVE-2018-19489 Vulnerability ReportThird Party Advisory;VDB Entry
-
http://www.securityfocus.com/bid/106007
QEMU CVE-2018-19489 Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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