CVE-2017-5525

Memory leak in hw/audio/ac97.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.0 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=12351a91da97b414eec8cdb09f1d9f41e535a401
http://www.openwall.com/lists/oss-security/2017/01/17/19	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/18/7	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/95671	Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Third Party Advisory
https://security.gentoo.org/glsa/201702-28	Third Party Advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=12351a91da97b414eec8cdb09f1d9f41e535a401
http://www.openwall.com/lists/oss-security/2017/01/17/19	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/01/18/7	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/95671	Third Party Advisory VDB Entry
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Third Party Advisory
https://security.gentoo.org/glsa/201702-28	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-03-15 15:59

Updated : 2025-04-20 01:37

NVD link : CVE-2017-5525

Mitre link : CVE-2017-5525

CVE.ORG link : CVE-2017-5525

JSON object : View

Products Affected

qemu

qemu

debian

debian_linux

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

{"id": "CVE-2017-5525", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 2.0}]}, "published": "2017-03-15T15:59:00.670", "references": [{"url": "http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=12351a91da97b414eec8cdb09f1d9f41e535a401", "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2017/01/17/19", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.openwall.com/lists/oss-security/2017/01/18/7", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/95671", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "https://security.gentoo.org/glsa/201702-28", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=12351a91da97b414eec8cdb09f1d9f41e535a401", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2017/01/17/19", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2017/01/18/7", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/95671", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://security.gentoo.org/glsa/201702-28", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-401"}]}], "descriptions": [{"lang": "en", "value": "Memory leak in hw/audio/ac97.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations."}, {"lang": "es", "value": "P\u00e9rdida de memoria en hw/audio/ac97.c en QEMU (tambi\u00e9n conocido como Quick Emulator) permite a usuarios locales privilegiados del SO invitado provocar una denegaci\u00f3n de servicio (consumo de memoria del host y ca\u00edda del proceso QEMU) a trav\u00e9s de un gran n\u00famero de operaciones de desenchufado del dispositivo."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A965C2D1-C447-4324-95A4-27285ECF8909", "versionEndIncluding": "2.8.1.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}