Home/CVE/PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local
CVE

CVE-2024-45819

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local

PVH guests have their ACPI tables constructed by the toolstack. The construction involves building the tables in local memory, which are then copied into guest memory. While actually used parts of the local memory are filled in correctly, excess space that is being allocated is left with its prior contents.

MEDIUM · CVSS 5.5 EPSS 0.00103
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-276Incorrect Default Permissions
▤

Affected Products & Versions

1
xen>= 4.8.0
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · security@xen.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Dec 2024 · 12:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

7
suse-csafSUSE-SU-2024:4163-1
suse-csafSUSE-SU-2024:4116-1
suse-csafSUSE-SU-2024:4073-1
suse-csafopenSUSE-SU-2024:14530-1
suse-csafSUSE-SU-2024:3977-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://xenbits.xenproject.org/xsa/advisory-464.htmlPatchVendor Advisory
http://www.openwall.com/lists/oss-security/2024/11/12/1Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/11/12/10Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2024/11/12/7Mailing ListThird Party Advisory
http://xenbits.xen.org/xsa/advisory-464.htmlPatchVendor Advisory
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