Security readout for executives and security teams
CVE-2016-8577 is a QEMU availability flaw. A privileged administrator inside a guest VM could trigger a memory leak in QEMU's 9p filesystem read handling, consuming host memory and potentially disrupting the host or other workloads. Exposure is most relevant to virtualization hosts running QEMU with the 9pfs/virtfs file-sharing feature available to guest VMs. Risk is higher where guest administrators are untrusted or tenant-controlled. Exact affected versions are not provided in the supplied bundle. Treat this as a targeted infrastructure availability risk. It is not evidenced as internet-exploitable or actively exploited, but multi-tenant or untrusted-guest QEMU environments should patch promptly because one guest admin could affect host stability. Mitigation focus: Apply QEMU security updates from the relevant OS vendor or upstream QEMU fix.; Review Gentoo, openSUSE, Debian, or vendor advisories for fixed package availability.; Disable 9pfs/virtfs sharing where it is not operationally required..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2016-8577 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- GLSA-201611-11CVE reference · vendor-advisory, x_refsource_GENTOO
- [debian-lts-announce] 20181130 [SECURITY] [DLA 1599-1] qemu security updateCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
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