CVE-2015-8701

CVSS V2 Low 2.1 CVSS V3 Medium 6.5
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.
Overview
  • CVE ID
  • CVE-2015-8701
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2016-12-29T22:59:00
  • Last Modified Date
  • 2020-11-10T18:53:53
Weakness Enumerations
CWE URL
CWE-193 http://cwe.mitre.org/data/definitions/193.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* 1 OR 2.5.1.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2
  • Impact Score
  • 4
References
Reference URL Reference Tags
https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg04629.html Patch Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1286971 Issue Tracking
http://www.securityfocus.com/bid/79706 Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2015/12/29/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2015/12/28/6 Mailing List Third Party Advisory
https://security.gentoo.org/glsa/201602-01 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2015-8701
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8701
History
Created Old Value New Value Data Type Notes
2022-05-10 16:20:29 Added to TrackCVE
2022-12-02 12:37:43 2016-12-29T22:59Z 2016-12-29T22:59:00 CVE Published Date updated
2022-12-02 12:37:43 2020-11-10T18:53:53 CVE Modified Date updated
2022-12-02 12:37:43 Analyzed Vulnerability Status updated