CVE-2024-27069

ovl: relax WARN_ON in ovl_verify_area()

Description

In the Linux kernel, the following vulnerability has been resolved: ovl: relax WARN_ON in ovl_verify_area() syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs. This type of use case is documented to cause undefined behavior, so returning EIO error for the copy up makes sense, but it should not be causing a WARN_ON assertion.

N/A

CVSS

Severity:

EPSS 0.08%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/c3c85aefc0da1e5074a06c682542a54ccc99bdca
https://git.kernel.org/stable/c/77a28aa476873048024ad56daf8f4f17d58ee48e

Frequently Asked Questions

What is the severity of CVE-2024-27069?: CVE-2024-27069 has not yet been assigned a CVSS score.
How to fix CVE-2024-27069?: To fix CVE-2024-27069, 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-2024-27069 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-27069 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-2024-27069?: CVE-2024-27069 affects Linux Linux, Linux Linux.

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