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CVE-2017-5856
Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (aka Quick Emulator) allows local guest OS privileged users…
Medium6.5EPSS 0.39%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.39% · top 66% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
n/a
- affected n/a
References (7)
- [oss-security] 20170201 CVE request Qemu: scsi: megasas: host memory leakage in megasas_handle_dcmd (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 95999 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=1418342 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201702-28 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [oss-security] 20170202 Re: CVE request Qemu: scsi: megasas: host memory leakage in megasas_handle_dcmd (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=765a707000e838c30b18d712fe6cb3dd8e0435f3 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2017-5856)Record last updated .