CVE-2020-15859

low-risk
Published 2020-07-21

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.

Do I need to act?

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0.13% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.3/10 Low
LOCAL / LOW complexity

Affected Products (3)

Affected Vendors

Debian Qemu

References (12)

Exploit https://bugs.launchpad.net/qemu/+bug/1886362
Mailing List https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
Mailing List https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Mailing List https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.html
Third Party Advisory https://security.gentoo.org/glsa/202208-27
Mailing List https://www.openwall.com/lists/oss-security/2020/07/21/3
Exploit https://bugs.launchpad.net/qemu/+bug/1886362
Mailing List https://lists.debian.org/debian-lts-announce/2021/02/msg00024.html
Mailing List https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
Mailing List https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.html
Third Party Advisory https://security.gentoo.org/glsa/202208-27
Mailing List https://www.openwall.com/lists/oss-security/2020/07/21/3
23
/ 100
low-risk
Severity 13/34 · Low
Exploitability 1/34 · Minimal
Exposure 9/34 · Low