Home/CVE/Memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c in QEMU (aka Quick Emulator) allows local guest OS pri
CVE

CVE-2017-8086

Memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c in QEMU (aka Quick Emulator) allows local guest OS pri

Memory leak in the v9fs_list_xattr function in hw/9pfs/9p-xattr.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (memory consumption) via vectors involving the orig_value variable.

MEDIUM · CVSS 6.5 EPSS 0.00076
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules1 YARA rules0
⬡

Weakness Classification

CWE-772Missing Release of Resource after Effective Lifetime
▤

Affected Products & Versions

3
qemu<= 2.8.1
qemuall versions
debian linuxall versions
◈

Sigma Hunt Rules

1
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 May 2017 · 02:59 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

6
suse-csafSUSE-SU-2017:3084-1
suse-csafSUSE-SU-2017:2963-1
suse-csafSUSE-SU-2017:2969-1
suse-csafSUSE-SU-2017:2946-1
suse-csafSUSE-SU-2017:1774-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.qemu.org/?p=qemu.git
http://www.openwall.com/lists/oss-security/2017/04/25/5Mailing ListPatchThird Party Advisory
http://www.securityfocus.com/bid/98012Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1444781Issue TrackingPatchThird Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.htmlMailing ListThird Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-04/msg01636.htmlMailing ListPatchThird Party Advisory
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