CVE-2017-15038

Severity: medium (CVSS 5.6 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2017-10-10 · updated 2026-06-17
Weakness: CWE-362

Description

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.

Affected products

QEMU: through 2.9.1

References

http://www.openwall.com/lists/oss-security/2017/10/06/1
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg00729.html
https://usn.ubuntu.com/3575-1/
https://www.debian.org/security/2018/dsa-4213
http://www.openwall.com/lists/oss-security/2017/10/06/1
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2017-10/msg00729.html
https://usn.ubuntu.com/3575-1/
https://www.debian.org/security/2018/dsa-4213

Get alerted when CVE-2017-15038 or the next vulnerability affects your stack