AZL-61451
See a problem?- Import Source
- https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-61451.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/AZL-61451
- Upstream
- Published
- 2025-04-16T15:15:59Z
- Modified
- 2026-04-01T05:19:53.916905Z
- 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-2025-22063 affecting package kernel for versions less than 6.6.92.2-1
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets
When calling netlblconnsetattr(), addr->safamily is used to determine the function behavior. If sk is an IPv4 socket, but the connect function is called with an IPv6 address, the function calipsosock_setattr() is triggered. Inside this function, the following code is executed:
sk_fullsock(__sk) ? inet_sk(__sk)->pinet6 : NULL;
Since sk is an IPv4 socket, pinet6 is NULL, leading to a null pointer dereference.
This patch fixes the issue by checking if inet6_sk(sk) returns a NULL pointer before accessing pinet6.
- References