CVE-2023-46839 — Fedora vulnerability
7 documents6 sources
Severity
5.3MEDIUMNVD
EPSS
0.3%
top 51.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 20
Description
PCI devices can make use of a functionality called phantom functions,
that when enabled allows the device to generate requests using the IDs
of functions that are otherwise unpopulated. This allows a device to
extend the number of outstanding requests.
Such phantom functions need an IOMMU context setup, but failure to
setup the context is not fatal when the device is assigned. Not
failing device assignment when such failure happens can lead to the
primary device being assigned to a guest, while…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4
Patches
🔴Vulnerability Details
4OSV▶
CVE-2023-46839: PCI devices can make use of a functionality called phantom functions, that when enabled allows the device to generate requests using the IDs of functi↗2024-03-20
GHSA▶
GHSA-8f65-fxmq-vvpx: PCI devices can make use of a functionality called phantom functions,
that when enabled allows the device to generate requests using the IDs
of functi↗2024-03-20
OSV▶
CVE-2023-46839: PCI devices can make use of a functionality called phantom functions,
that when enabled allows the device to generate requests using the IDs
of functi↗2024-03-20