PT-2021-27132 · Linux · Xen/Netfront
Published
2021-12-27
·
Updated
2021-12-27
None
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Name of the Vulnerable Software and Affected Versions
xen/netfront versions prior to Linux Kernel version v4.19.222
Description
The issue is related to hardening netfront against event channel storms. The actual impact and attack plausibility have not yet been proven.
Recommendations
For versions prior to Linux Kernel version v4.19.222, update to Linux Kernel version v4.19.222 or later to resolve the issue. As a temporary workaround, consider restricting access to the event channel to minimize the risk of exploitation.
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Related Identifiers
Affected Products
Xen/Netfront