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Description

In the Linux kernel, the following vulnerability has been resolved: tty: pcn_uart: fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once.

PUBLISHED Reserved 2025-09-15 | Published 2025-09-15 | Updated 2025-09-15 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before cf042964c2fa72950bbbf25b2cdd732b873e89db
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 4459d1e7bd0421b3b6fcd745773d8823f71615ef
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 139769c4bd8273b5e3f85ea474aa37018fe7e436
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 04a189c720aa2b6091442113ce9b9bc93552dff8
affected

Default status
affected

5.15.100 (semver)
unaffected

6.1.18 (semver)
unaffected

6.2.5 (semver)
unaffected

6.3 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/cf042964c2fa72950bbbf25b2cdd732b873e89db

git.kernel.org/...c/4459d1e7bd0421b3b6fcd745773d8823f71615ef

git.kernel.org/...c/139769c4bd8273b5e3f85ea474aa37018fe7e436

git.kernel.org/...c/04a189c720aa2b6091442113ce9b9bc93552dff8

cve.org (CVE-2023-53173)

nvd.nist.gov (CVE-2023-53173)

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