Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-33496.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-33496
Upstream
Published
2023-07-25T16:15:11Z
Modified
2026-04-01T05:11:10.926422Z
Severity
  • 4.4 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
CVE-2023-3773 affecting package hyperv-daemons for versions less than 5.15.158.1-1
Details

A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAPNETADMIN privileges to cause a 4 byte out-of-bounds read of XFRMAMTIMERTHRESH when parsing netlink attributes, leading to potential leakage of sensitive heap data to userspace.

References

Affected packages

Azure Linux:2 / hyperv-daemons

Package

Name
hyperv-daemons
Purl
pkg:rpm/azure-linux/hyperv-daemons

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.15.158.1-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-33496.json"