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CVE-2020-15859

Date: July 21, 2020

QEMU 4.2.0 has a use-after-free in hw/net/e1000e_core.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address.

Language: C

Severity Score

3.3

Related Resources (12)

Url: https://access.redhat.com/security/cve/CVE-2020-15859

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-15859

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15859

Url: https://security.gentoo.org/glsa/202208-27

Url: https://bugs.launchpad.net/qemu/+bug/1886362

Url: https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.html

Url: https://security-tracker.debian.org/tracker/CVE-2020-15859

Url: https://security.alpinelinux.org/vuln/CVE-2020-15859

Url: https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html

Url: https://www.openwall.com/lists/oss-security/2020/07/21/3

Url: https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Url: https://www.mend.io/vulnerability-database/CVE-2020-15859

Severity Score

3.3

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:	3.3
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):	LOW

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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