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Debian: CVE-2022-42309: xen -- security update

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Debian: CVE-2022-42309: xen -- security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
11/01/2022
Created
11/09/2022
Added
11/08/2022
Modified
11/09/2022

Description

Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.

Solution(s)

  • debian-upgrade-xen

References

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