Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-50643.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-50643
Upstream
Published
2024-10-21T13:15:04Z
Modified
2026-04-01T05:17:34.341069Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
CVE-2024-47743 affecting package kernel for versions less than 6.6.56.1-5
Details

In the Linux kernel, the following vulnerability has been resolved:

KEYS: prevent NULL pointer dereference in findasymmetrickey()

In findasymmetrickey(), if all NULLs are passed in the id_{0,1,2} arguments, the kernel will first emit WARN but then have an oops because id_2 gets dereferenced anyway.

Add the missing id2 check and move WARNON() to the final else branch to avoid duplicate NULL checks.

Found by Linux Verification Center (linuxtesting.org) with Svace static analysis tool.

References

Affected packages

Azure Linux:3 / kernel

Package

Name
kernel
Purl
pkg:rpm/azure-linux/kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.56.1-5

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-50643.json"