CVE-2024-31146 Affecting xen package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN12-XEN-7687040
- published15 Aug 2024
- disclosed25 Sept 2024
Introduced: 15 Aug 2024
CVE-2024-31146 (opens in a new tab)How to fix?
There is no fixed version for Debian:12 xen.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Debian.
See How to fix? for Debian:12 relevant fixed versions and status.
When multiple devices share resources and one of them is to be passed through to a guest, security of the entire system and of respective guests individually cannot really be guaranteed without knowing internals of any of the involved guests. Therefore such a configuration cannot really be security-supported, yet making that explicit was so far missing.
Resources the sharing of which is known to be problematic include, but are not limited to
- PCI Base Address Registers (BARs) of multiple devices mapping to the same page (4k on x86),
- INTx lines.