CVE-2022-42310
5.5
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious guest can create orphaned nodes in the Xenstore data base, as the cleanup after the error will not remove all nodes already created. When the transaction is committed after this situation, nodes without a valid parent can be made permanent in the data base.
How to fix CVE-2022-42310
To remediate CVE-2022-42310, upgrade the affected package to a fixed version below.
- —upgrade to 4.15.4-r0 or later
- —upgrade to 4.14.5+86-g1c354767d5-1 or later
Is CVE-2022-42310 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.15.4-r0
- from 0, < 4.14.5+86-g1c354767d5-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |