Vulnerability Details : CVE-2017-5579
Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.
Vulnerability category: Denial of service
Products affected by CVE-2017-5579
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc0:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc4:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:2.9.0:rc5:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-5579
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-2017-5579
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
2.0
|
4.0
|
NIST |
CWE ids for CVE-2017-5579
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-5579
-
http://www.openwall.com/lists/oss-security/2017/01/24/8
oss-security - CVE request Qemu: serial: host memory leakage in 16550A UART emulationMailing List;Patch;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2392
RHSA-2017:2392 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
[SECURITY] [DLA 1497-1] qemu security updateThird Party Advisory
-
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=8409dc884a201bf74b30a9d232b6bbdd00cb7e2b
git.qemu.org Git
-
https://security.gentoo.org/glsa/201702-28
QEMU: Multiple vulnerabilities (GLSA 201702-28) — Gentoo securityThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:2408
RHSA-2017:2408 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2017/01/25/3
oss-security - Re: CVE request Qemu: serial: host memory leakage in 16550A UART emulationMailing List;Patch;Third Party Advisory
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http://www.securityfocus.com/bid/95780
QEMU CVE-2017-5579 Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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