CVE-2022-49822: cifs: Fix connections leak when tlink setup failed
In the Linux kernel, the following vulnerability has been resolved:
cifs: Fix connections leak when tlink setup failed
If the tlink setup failed, lost to put the connections, then the module refcnt leak since the cifsd kthread not exit.
Also leak the fscache info, and for next mount with fsc, it will print the follow errors: CIFS: Cache volume key already in use (cifs,127.0.0.1:445,TEST)
Let's check the result of tlink setup, and do some cleanup.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2022-49822?
CVE-2022-49822 has been classified with a high severity due to potential resource leaks in the Linux kernel.
How do I fix CVE-2022-49822?
To fix CVE-2022-49822, users should update to a patched version of the Linux kernel that addresses the connection leak issue.
Which Linux kernel versions are affected by CVE-2022-49822?
CVE-2022-49822 affects Linux kernel versions from 5.0 up to and including 6.1-rc5.
What type of vulnerability is CVE-2022-49822?
CVE-2022-49822 is a vulnerability related to resource management and connection handling in the CIFS subsystem of the Linux kernel.
Is CVE-2022-49822 a remote exploit?
CVE-2022-49822 primarily involves connection leaks, but it is considered a local vulnerability as it requires kernel access to exploit.