CVE-2023-53137

ext4: Fix possible corruption when moving a directory

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix possible corruption when moving a directory When we are renaming a directory to a different directory, we need to update '..' entry in the moved directory. However nothing prevents moved directory from being modified and even converted from the inline format to the normal format. When such race happens the rename code gets confused and we crash. Fix the problem by locking the moved directory.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/8dac5a63cf79707b547ea3d425fead5f4482198f
https://git.kernel.org/stable/c/0c440f14558bfacd22c6935ae1fd4b2a09e96b5d
https://git.kernel.org/stable/c/c50fc503ee1b97f12c98e26afc39fdaebebcf04f
https://git.kernel.org/stable/c/b0bb13612292ca90fa4c2a7e425375649bc50d3e
https://git.kernel.org/stable/c/291cd19d107e197306869cb3237c1bba62d13182
https://git.kernel.org/stable/c/0813299c586b175d7edb25f56412c54b812d0379

Frequently Asked Questions

What is the severity of CVE-2023-53137?: CVE-2023-53137 has not yet been assigned a CVSS score.
How to fix CVE-2023-53137?: To fix CVE-2023-53137, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-53137 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-53137 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-53137?: CVE-2023-53137 affects Linux Linux, Linux Linux.

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