What is CVE-2024-39470?

CVE-2024-39470 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 6.6.18 onward and patched in 6.6.34, 6.9.5 and 6.10. CVE-2024-39470 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-39470?

CVE-2024-39470 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-39470?

Yes, CVE-2024-39470 has been patched. Fixed versions include 6.6.34, 6.9.5 and 6.10. If you are running Linux kernel 6.6.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-39470 actively exploited?

CVE-2024-39470 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2024-39470

Medium

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.

Package Linux Kernel

Published 2024-06-25

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness type

CWE-476

CVE-2024-39470 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.6.18, 6.7.4, 6.8 and later are affected. Fixed in 6.6.34, 6.9.5, 6.10 and their respective stable series.

Affected from

≥ 6.6.18 ≥ 6.7.4 ≥ 6.8

Fixed in

✓ 6.6.34 6.6.x ✓ 6.9.5 6.9.x ✓ 6.10

References

3 total

Kernel Git
https://git.kernel.org/stable/c/5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9

Patch
Kernel Git
https://git.kernel.org/stable/c/7a1b2d138189375ed1dcd7d0851118230221bd1d

Patch
Kernel Git
https://git.kernel.org/stable/c/d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4

Patch

Details

CVE ID CVE-2024-39470

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-06-25

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-39470?

CVE-2024-39470 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 6.6.18 onward and has been patched in 6.6.34, 6.9.5 and 6.10. CVE-2024-39470 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-39470?

CVE-2024-39470 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-39470?

Yes. CVE-2024-39470 has been patched. Fixed versions include 6.6.34, 6.9.5 and 6.10. If you are running Linux kernel 6.6.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-39470 actively exploited?

No. CVE-2024-39470 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.