Memory Leak The advisory has been revoked - it doesn't affect any version of package qemu (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2004-QEMU-655770
- published16 Mar 2017
- disclosed16 Mar 2017
Introduced: 16 Mar 2017
CVE-2017-5856 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu package and not the qemu package as distributed by Ubuntu.
Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption) via MegaRAID Firmware Interface (MFI) commands with the sglist size set to a value over 2 Gb.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-5856
- http://git.qemu-project.org/?p=qemu.git;a=commit;h=765a707000e838c30b18d712fe6cb3dd8e0435f3
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5856
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://security-tracker.debian.org/tracker/CVE-2017-5856
- https://security.gentoo.org/glsa/201702-28
- http://www.openwall.com/lists/oss-security/2017/02/01/19
- http://www.openwall.com/lists/oss-security/2017/02/02/14
- https://bugzilla.redhat.com/show_bug.cgi?id=1418342
- http://www.securityfocus.com/bid/95999
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=765a707000e838c30b18d712fe6cb3dd8e0435f3