Low severity · published Jul 21, 2020
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
3.3
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0; 10.0 · source: NVD
QE
Qemu · Qemu
4.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15859
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15859
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
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