UBUNTU-CVE-2020-15859
Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 21 Jul 2020, 16:15
Last modified:04 Feb 2026, 04:00
Vulnerability Summary
Overall Risk (default)
low
13/100 CVSS Score
3.3 LOW
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
21 Jul 2020, 16:15
Published
Vulnerability first disclosed
04 Feb 2026, 04:00
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•LOW•Score: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Systems
- ubuntu•qemu
all | < 1:2.5+dfsg-5ubuntu10.49 | < 1:2.11+dfsg-1ubuntu7.35 | < 1:4.2-3ubuntu6.12
References (6)
- https://ubuntu.com/security/CVE-2020-15859
- https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05895.html
- https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.html
- https://www.openwall.com/lists/oss-security/2020/07/21/3
- https://ubuntu.com/security/notices/USN-4725-1
- https://www.cve.org/CVERecord?id=CVE-2020-15859