6.5med

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 privileged users to ca…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 37%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.42% probability of exploitation in the next 30 days, higher than 37% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime

References

  • openwall.com /lists/oss-security/2017/04/25/5 · mailing-list, x_refsource_MLIST, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1444781 · x_refsource_CONFIRM, x_transferred
  • lists.debian.org /debian-lts-announce/2018/09/msg00007.html · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/201706-03 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2017-04/msg01636.html · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/98012 · vdb-entry, x_refsource_BID, x_transferred
  • git.qemu.org /?p=qemu.git%3Ba=commit%3Bh=4ffcdef4277a91af15a3c09f7d16af072c29f3f2 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.