Race condition in the v9fs_xattrwalk function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS users to obtain sensitive information from host heap memory via vectors related to reading extended attributes.
https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg00729.html
http://www.openwall.com/lists/oss-security/2017/10/06/1
https://www.debian.org/security/2018/dsa-4213
https://usn.ubuntu.com/3575-1/
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
Source: Mitre, NVD
Published: 2017-10-10
Updated: 2025-04-20
Base Score: 1.9
Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N
Severity: Low
Base Score: 5.6
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Severity: Medium
EPSS: 0.00053