First published: Mon Apr 24 2017(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
QEMU KVM | <=2.8.1 | |
QEMU KVM | =2.9.0-rc0 | |
QEMU KVM | =2.9.0-rc1 | |
QEMU KVM | =2.9.0-rc2 | |
QEMU KVM | =2.9.0-rc3 | |
Debian Debian Linux | =8.0 |
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CVE-2017-8086 has been classified with a moderate severity as it can lead to a denial of service due to memory consumption.
To address CVE-2017-8086, you should upgrade QEMU to version 2.9.0 or later to eliminate the memory leak vulnerability.
CVE-2017-8086 affects local guest OS privileged users running specific versions of QEMU built with the virtio-9p back-end support.
CVE-2017-8086 is caused by a memory leak in the v9fs_list_xattr function within the QEMU codebase.
Versions of QEMU up to 2.8.1 and 2.9.0-rc0, 2.9.0-rc1, 2.9.0-rc2, and 2.9.0-rc3 are vulnerable to CVE-2017-8086.