What is CVE-2024-42134?

CVE-2024-42134 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 6.8 onward and patched in 6.9.9 and 6.10. CVE-2024-42134 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-42134?

CVE-2024-42134 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-2024-42134?

Yes, CVE-2024-42134 has been patched. Fixed versions include 6.9.9 and 6.10. If you are running Linux kernel 6.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-42134 actively exploited?

CVE-2024-42134 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-2024-42134

Medium

In the Linux kernel, the following vulnerability has been resolved: virtio-pci: Check if is_avq is NULL [bug] In the virtio_pci_common.c function vp_del_vqs, vp_dev->is_avq is involved to determine whether it is admin virtqueue, but this function vp_dev->is_avq may be empty. For installations, virtio_pci_legacy does not assign a value to vp_dev->is_avq. [fix] Check whether it is vp_dev->is_avq before use. [test] Test with virsh Attach device Before this patch, the following command would crash the guest system After applying the patch, everything seems to be working fine.

Package Linux Kernel

Published 2024-07-30

Last modified 2024-12-11

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-2024-42134 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 6.8 and later are affected. Fixed in 6.9.9, 6.10 and their respective stable series.

Affected from

≥ 6.8

Fixed in

✓ 6.9.9 6.9.x ✓ 6.10

References

2 total

Kernel Git
https://git.kernel.org/stable/c/5e2024b0b9b3d5709e3f7e9b92951d7e29154106

Patch
Kernel Git
https://git.kernel.org/stable/c/c8fae27d141a32a1624d0d0d5419d94252824498

Patch

Details

CVE ID CVE-2024-42134

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-07-30

Modified 2024-12-11

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-42134?

CVE-2024-42134 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 6.8 onward and has been patched in 6.9.9 and 6.10. CVE-2024-42134 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-42134?

CVE-2024-42134 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-2024-42134?

Yes. CVE-2024-42134 has been patched. Fixed versions include 6.9.9 and 6.10. If you are running Linux kernel 6.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-42134 actively exploited?

No. CVE-2024-42134 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.