CVEvulnerability
CVE-2016-7421
4.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2016-12-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.4 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-834
Description
The pvscsi_ring_pop_req_descr function in hw/scsi/vmw_pvscsi.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) by leveraging failure to limit process IO loop to the ring size.
Affected configurations
• qemu qemu (<= 2.7.1)
• debian debian linux 8.0
Related
Weakness · CWE (1)
- CWE-834 Excessive Iteration weakness
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9 git.qemu.org
- http://www.openwall.com/lists/oss-security/2016/09/16/3 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/16/9 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92998 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201609-01 Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=d251157ac1928191af851d199a9ff255d330bec9 git.qemu.org
- http://www.openwall.com/lists/oss-security/2016/09/16/3 Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/16/9 Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92998 Third Party Advisory, VDB Entry
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html Mailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03609.html Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201609-01 Third Party Advisory