CVE-2015-8701
Summary
| CVE | CVE-2015-8701 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-29 22:59:00 UTC |
| Updated | 2020-11-10 18:53:00 UTC |
| Description | QEMU (aka Quick Emulator) built with the Rocker switch emulation support is vulnerable to an off-by-one error. It happens while processing transmit (tx) descriptors in 'tx_consume' routine, if a descriptor was to have more than allowed (ROCKER_TX_FRAGS_MAX=16) fragments. A privileged user inside guest could use this flaw to cause memory leakage on the host or crash the QEMU process instance resulting in DoS issue. |
Risk And Classification
Problem Types: CWE-193
NVD Known Affected Configurations (CPE 2.3)
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - Re: CVE request Qemu net: rocker: fix an incorrect array bounds check | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| oss-security - CVE request Qemu net: rocker: fix an incorrect array bounds check | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| QEMU 'rocker.c' Stack Buffer Overflow Vulnerability | BID | www.securityfocus.com | Third Party Advisory, VDB Entry |
| Bug 1286971 – CVE-2015-8701 Qemu: net: rocker: stack buffer overflow(off-by-one) in tx_consume routine | CONFIRM | bugzilla.redhat.com | Issue Tracking |
| [Qemu-devel] [PATCH v2] net: rocker: fix an incorrect array bounds check | MLIST | lists.gnu.org | Patch, Vendor Advisory |
| QEMU: Multiple vulnerabilities (GLSA 201602-01) — Gentoo security | GENTOO | security.gentoo.org | 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