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THREATINT
PUBLISHED

CVE-2023-52936

kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()



Description

In the Linux kernel, the following vulnerability has been resolved: kernel/irq/irqdomain.c: 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.

Reserved 2024-08-21 | Published 2025-03-27 | Updated 2025-05-04 | Assigner Linux

Product status

Default status
unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 066ecbf1a53eb0b92b10c8df7808666be6ea5681
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before cf1c917bf1c761a557b26410024e90057646c049
affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d83d7ed260283560700d4034a80baad46620481b
affected

Default status
affected

5.15.93
unaffected

6.1.11
unaffected

6.2
unaffected

References

git.kernel.org/...c/066ecbf1a53eb0b92b10c8df7808666be6ea5681

git.kernel.org/...c/cf1c917bf1c761a557b26410024e90057646c049

git.kernel.org/...c/d83d7ed260283560700d4034a80baad46620481b

cve.org (CVE-2023-52936)

nvd.nist.gov (CVE-2023-52936)

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