CVE-2023-53173: tty: pcn_uart: fix memory leak with using debugfs_lookup()
In the Linux kernel, the following vulnerability has been resolved:
tty: pcnuart: fix memory leak with using debugfslookup()
When calling debugfslookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfslookupandremove() instead which handles all of the logic at once.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2023-53173?
CVE-2023-53173 is a memory leakage vulnerability in the Linux kernel related to the tty subsystem.
How do I fix CVE-2023-53173?
To fix CVE-2023-53173, ensure that debugfs_lookup() calls are followed by dput() to prevent memory leaks.
Which versions of the Linux kernel are affected by CVE-2023-53173?
CVE-2023-53173 affects certain versions of the Linux kernel that utilize the tty subsystem.
Is CVE-2023-53173 exploitable remotely?
CVE-2023-53173 does not appear to be remotely exploitable as it pertains to a memory leak in kernel operations.
What components of the Linux kernel are impacted by CVE-2023-53173?
CVE-2023-53173 specifically impacts the tty subsystem of the Linux kernel.