GLSA 202009-14: Xen: Buffer overflow
Severity: | normal |
Title: | Xen: Buffer overflow |
Date: | 09/29/2020 |
Bugs: |
|
ID: | 202009-14 |
Synopsis
A buffer overflow in Xen might allow remote attacker(s) to execute arbitrary code.Background
Xen is a bare-metal hypervisor.
Affected packages
Package | Vulnerable | Unaffected | Architecture(s) |
---|---|---|---|
app-emulation/xen-tools | < 4.13.1-r3 | >= 4.13.1-r3 | All supported architectures |
app-emulation/xen | < 4.13.1-r3 | >= 4.13.1-r3 | All supported architectures |
Description
An out-of-bounds read/write access issue was found in the USB emulator when using QEMU.
Impact
A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition.
Workaround
There is no known workaround at this time.
Resolution
All Xen users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-emulation/xen-4.13.1-r3"
All Xen tools users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose
">=app-emulation/xen-tools-4.13.1-r3"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.