CVE-2016-9102
Published: August 31, 2023Last modified: August 31, 2023
Description
Memory leak in the v9fs_xattrcreate function in hw/9pfs/9p.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption and QEMU process crash) via a large number of Txattrcreate messages with the same fid number.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | qemu | Not affected (7.1.0-r4) |
| Stream | qemu | Not affected (8.0.4-r0) |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff55e94d23ae94c8628b0115320157c763eb3e06
- http://www.openwall.com/lists/oss-security/2016/10/27/15
- http://www.openwall.com/lists/oss-security/2016/10/30/6
- http://www.securityfocus.com/bid/93962
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg01861.html
- https://security.gentoo.org/glsa/201611-11