CVE-2024-39470 eventfs: Fix a possible null pointer dereference in eventfs_find_events()

What is CVE-2024-39470?

CVE-2024-39470 is a medium-severity vulnerability in Linux kernel, published on 25 Jun 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-476

Which versions are affected by CVE-2024-39470?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2024-39470?

Apply the vendor's patch.

Is CVE-2024-39470 being exploited?

There is no known exploitation of CVE-2024-39470 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BELL-CVE-2024-39470, DEBIAN-CVE-2024-39470, GHSA-prg5-m4w6-pjjv, UBUNTU-CVE-2024-39470.