CVE-2024-39470

eventfs: Fix a possible null pointer dereference in eventfs_find_events()

Description

In the Linux kernel, the following vulnerability has been resolved: eventfs: Fix a possible null pointer dereference in eventfs_find_events() In function eventfs_find_events,there is a potential null pointer that may be caused by calling update_events_attr which will perform some operations on the members of the ei struct when ei is NULL. Hence,When ei->is_freed is set,return NULL directly.

References

Link	Tags
https://git.kernel.org/stable/c/5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9	patch
https://git.kernel.org/stable/c/7a1b2d138189375ed1dcd7d0851118230221bd1d	patch
https://git.kernel.org/stable/c/d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4	patch

Frequently Asked Questions

What is the severity of CVE-2024-39470?: CVE-2024-39470 has been scored as a medium severity vulnerability.
How to fix CVE-2024-39470?: To fix CVE-2024-39470, 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-2024-39470 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-39470 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-2024-39470?: CVE-2024-39470 affects Linux Linux, Linux Linux.

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Description

Category

CWE-476 – NULL Pointer Dereference

References

Frequently Asked Questions