tipc: Fix use-after-free of kernel socket in cleanup_bearer().

Xin Longrequested to merge
lxin.redhat/centos-stream-9:JIRA72258 into main

JIRA: https://issues.redhat.com/browse/RHEL-72258 CVE: CVE-2024-56642 Tested: compile only

The first patch is the commit for this CVE, and the second patch is a follow-up of the first patch.

Signed-off-by: Xin Long lxin@redhat.com

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