CVE-2016-9104

Qemu: 9pfs: integer overflow leading to OOB access

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Severity

Low

Red Hat Product Security

6.5

CVSS 3.0

Review impact separately from score.

Published · October 13, 2016

Updated · November 21, 2025

Description

Multiple integer overflows in the (1) v9fs_xattr_read and (2) v9fs_xattr_write functions in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allow local guest OS administrators to cause a denial of service (QEMU process crash) via a crafted offset, which triggers an out-of-bounds access.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 6.5
CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L

CVSS 2.0 · 4.9
AV:A/AC:M/Au:S/C:P/I:P/A:P

CWE-190 · Integer Overflow or Wraparound