CVE-2016-7907
Summary
| CVE | CVE-2016-7907 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-10-05 16:59:00 UTC |
| Updated | 2020-11-10 17:46:00 UTC |
| Description | The imx_fec_do_tx function in hw/net/imx_fec.c in QEMU (aka Quick Emulator) does not properly limit the buffer descriptor count when transmitting packets, which allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via vectors involving a buffer descriptor with a length of 0 and crafted values in bd.flags. |
Risk And Classification
Problem Types: CWE-20 | CWE-399
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Qemu | Qemu | 2.9.0 | rc0 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc1 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc2 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc3 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc4 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc5 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc0 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc1 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc2 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc3 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc4 | All | All |
| Application | Qemu | Qemu | 2.9.0 | rc5 | All | All |
| Application | Qemu | Qemu | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Re: [Qemu-devel] [PATCH v2] net: imx: limit buffer descriptor count | MLIST | lists.gnu.org | Mailing List, Patch, Vendor Advisory |
| QEMU: Multiple vulnerabilities (GLSA 201611-11) — Gentoo Security | GENTOO | security.gentoo.org | Third Party Advisory |
| oss-security - CVE request Qemu: net: inifinte loop in imx_fec_do_tx() function | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| oss-security - Re: CVE request Qemu: net: inifinte loop in imx_fec_do_tx() function | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| QEMU 'hw/net/imx_fec.c' Infinite Loop Denial of Service Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| openSUSE-SU-2016:3237-1: moderate: Security update for qemu | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 900063 CBL-Mariner Linux Security Update for qemu-kvm 4.2.0