Vulnerability 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 Score
3.3
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 4.2.0 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugs.launchpad.net/qemu/+bug/1886362ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00024.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.htmlMailing ListPatchThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/07/21/3Mailing ListPatchThird Party Advisory
- https://bugs.launchpad.net/qemu/+bug/1886362ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00024.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg05304.htmlMailing ListPatchThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/07/21/3Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2020-15859?
CVE-2020-15859 is a vulnerability with a CVSS score of 3.3 (LOW). 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.
How severe is CVE-2020-15859?
CVE-2020-15859 has been rated LOW with a CVSS base score of 3.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-15859?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.