What is CVE-2024-35891?

CVE-2024-35891 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 5.18 onward and patched in 6.1.85, 6.6.26, 6.8.5 and others. CVE-2024-35891 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-35891?

CVE-2024-35891 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-2024-35891?

Yes, CVE-2024-35891 has been patched. Fixed versions include 6.1.85, 6.6.26, 6.8.5 and others. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-35891 actively exploited?

CVE-2024-35891 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-2024-35891

Medium

In the Linux kernel, the following vulnerability has been resolved: net: phy: micrel: Fix potential null pointer dereference In lan8814_get_sig_rx() and lan8814_get_sig_tx() ptp_parse_header() may return NULL as ptp_header due to abnormal packet type or corrupted packet. Fix this bug by adding ptp_header check. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Package Linux Kernel

Published 2024-05-19

Last modified 2024-12-30

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-2024-35891 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 5.18 and later are affected. Fixed in 6.1.85, 6.6.26, 6.8.5, 6.9 and their respective stable series.

Affected from

≥ 5.18

Fixed in

✓ 6.1.85 6.1.x ✓ 6.6.26 6.6.x ✓ 6.8.5 6.8.x ✓ 6.9

References

4 total

Kernel Git
https://git.kernel.org/stable/c/10608161696c2768f53426642f78a42bcaaa53e8

Patch
Kernel Git
https://git.kernel.org/stable/c/49767b0df276f12e3e7184601e09ee7430e252dc

Patch
Kernel Git
https://git.kernel.org/stable/c/95c1016a2d92c4c28a9d1b6d09859c00b19c0ea4

Patch
Kernel Git
https://git.kernel.org/stable/c/96c155943a703f0655c0c4cab540f67055960e91

Patch

Details

CVE ID CVE-2024-35891

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-19

Modified 2024-12-30

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-35891?

CVE-2024-35891 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 5.18 onward and has been patched in 6.1.85, 6.6.26, 6.8.5 and others. CVE-2024-35891 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-35891?

CVE-2024-35891 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-2024-35891?

Yes. CVE-2024-35891 has been patched. Fixed versions include 6.1.85, 6.6.26, 6.8.5 and others. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-35891 actively exploited?

No. CVE-2024-35891 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.