CVE-2020-15859

low

Description

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.

References

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

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

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

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

Details

Source: MITRE

Published: 2020-07-21

Updated: 2021-02-24

Type: CWE-416

Risk Information

CVSS v2

Base Score: 2.1

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

Impact Score: 2.9

Exploitability Score: 3.9

Severity: LOW

CVSS v3

Base Score: 3.3

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Impact Score: 1.4

Exploitability Score: 1.8

Severity: LOW