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CVE-2018-18954

Date: November 15, 2018

The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.

Language: C

Severity Score

5.5

Related Resources (11)

Url: http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html

Url: https://seclists.org/bugtraq/2019/May/76

Url: https://www.debian.org/security/2019/dsa-4454

Url: http://www.securityfocus.com/bid/105920

Url: https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html

Url: https://security-tracker.debian.org/tracker/CVE-2018-18954

Url: https://usn.ubuntu.com/3826-1/

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-18954

Url: http://www.openwall.com/lists/oss-security/2018/11/06/6

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-18954

Url: https://www.mend.io/vulnerability-database/CVE-2018-18954

Severity Score

5.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	5.5
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	2.1
Access Vector (AV):	LOCAL
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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