Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 2.8.1.1 |
| Debian | Debian Linux | 8.0 |
Related Weaknesses (CWE)
References
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=8409dc884a201bf74b30a9d23
- http://www.openwall.com/lists/oss-security/2017/01/24/8Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/25/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95780Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
- https://security.gentoo.org/glsa/201702-28Third Party Advisory
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=8409dc884a201bf74b30a9d23
- http://www.openwall.com/lists/oss-security/2017/01/24/8Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2017/01/25/3Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/95780Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlThird Party Advisory
FAQ
What is CVE-2017-5579?
CVE-2017-5579 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 proc...
How severe is CVE-2017-5579?
CVE-2017-5579 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-5579?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.