CVEvulnerability
CVE-2020-15863
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-07-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
- CVSS 2.0 ([email protected])
- 4.4 MEDIUM — AV:L/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.
Affected configurations
• qemu qemu (<= 5.0.0)
• qemu qemu 5.1.0
• debian debian linux 10.0
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 20.04
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/07/22/1 Mailing List, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555 git.qemu.org
- https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html Mailing List, Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html Mailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202208-27 Third Party Advisory
- https://usn.ubuntu.com/4467-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4760 Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00024.html Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/07/22/1 Mailing List, Patch, Third Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555 git.qemu.org
- https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html Mailing List, Patch, Third Party Advisory
- https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html Mailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/202208-27 Third Party Advisory
- https://usn.ubuntu.com/4467-1/ Third Party Advisory
- https://www.debian.org/security/2020/dsa-4760 Third Party Advisory