CVE-2020-15859

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.

• CWE-416

• https://bugs.launchpad.net/qemu/+bug/1886362Exploit, Issue Tracking, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/02/msg00024.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.htmlMailing List, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/202208-27Third Party Advisory
• https://www.openwall.com/lists/oss-security/2020/07/21/3Mailing List, Patch, Third Party Advisory
• https://bugs.launchpad.net/qemu/+bug/1886362Exploit, Issue Tracking, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2021/02/msg00024.htmlMailing List, Third Party Advisory
• https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing List, Third Party Advisory
• https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.htmlMailing List, Patch, Third Party Advisory
• https://security.gentoo.org/glsa/202208-27Third Party Advisory
• https://www.openwall.com/lists/oss-security/2020/07/21/3Mailing List, Patch, Third Party Advisory

Published

Jul 21, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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