MEDIUM
libxl leaks data to PVH guests via ACPI tables
Published Dec 19, 2024
5.5
MEDIUMCVSS 3.1
EPSS 0.30%
Description
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.
Affected products
Remediation
Vendor solution
Running only PV or HVM guests will avoid this vulnerability.
Weaknesses (1)
References (6)
- http://www.openwall.com/lists/oss-security/2024/11/12/1 Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2024/11/12/10 Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2024/11/12/7 Mailing ListThird Party Advisory
- http://xenbits.xen.org/xsa/advisory-464.html PatchVendor Advisory
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-41273 Advisory
- https://xenbits.xenproject.org/xsa/advisory-464.html PatchVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2024/11/12/1 | Mailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2024/11/12/10 | Mailing ListThird Party Advisory | |
| http://www.openwall.com/lists/oss-security/2024/11/12/7 | Mailing ListThird Party Advisory | |
| http://xenbits.xen.org/xsa/advisory-464.html | PatchVendor Advisory | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-41273 | Advisory | |
| https://xenbits.xenproject.org/xsa/advisory-464.html | PatchVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner XEN
Published Dec 19, 2024
Updated Dec 31, 2024
Reserved Sep 9, 2024
Link CVE-2024-45819
CISA Vulnrichment
Updated Dec 31, 2024
ENISA EUVD
EUVD-2024-41273 Assigner XEN
Published Dec 19, 2024
Updated Dec 31, 2024
Exploited since n/a
Link EUVD-2024-41273