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Description

In the Linux kernel, the following vulnerability has been resolved: trace/blktrace: 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 2025-09-17 | Published 2025-09-18 | Updated 2025-09-18 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before a2e4b48d6f9b39aa19bafe223f9dd436a692fc80
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 3036f5f5ae5210797d95446795df01c1249af9ad
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 5286b72fb425291af5f4ca7285d73c16a08d8691
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 83e8864fee26f63a7435e941b7c36a20fd6fe93e
affected

Default status
affected

5.15.99 (semver)
unaffected

6.1.16 (semver)
unaffected

6.2.3 (semver)
unaffected

6.3 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/a2e4b48d6f9b39aa19bafe223f9dd436a692fc80

git.kernel.org/...c/3036f5f5ae5210797d95446795df01c1249af9ad

git.kernel.org/...c/5286b72fb425291af5f4ca7285d73c16a08d8691

git.kernel.org/...c/83e8864fee26f63a7435e941b7c36a20fd6fe93e

cve.org (CVE-2023-53408)

nvd.nist.gov (CVE-2023-53408)

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