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CVE-2024-44981

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: workqueue: Fix UBSAN 'subtraction overflow' error in shift_and_mask() UBSAN reports the following 'subtraction overflow' error…

Published Sep 4, 2024CWE-190EPSS 0.19%

Overview

CVE-2024-44981 is a medium-severity vulnerability. It was published on September 4, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

workqueue: Fix UBSAN 'subtraction overflow' error in shift_and_mask()

UBSAN reports the following 'subtraction overflow' error when booting

in a virtual machine on Android:

| Internal error: UBSAN: integer subtraction overflow: 00000000f2005515 [#1] PREEMPT SMP

| Modules linked in:

| CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-00006-g3cbe9e5abd46-dirty #4

| Hardware name: linux,dummy-virt (DT)

| pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)

| pc : cancel_delayed_work+0x34/0x44

| lr : cancel_delayed_work+0x2c/0x44

| sp : ffff80008002ba60

| x29: ffff80008002ba60 x28: 0000000000000000 x27: 0000000000000000

| x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000

| x23: 0000000000000000 x22: 0000000000000000 x21: ffff1f65014cd3c0

| x20: ffffc0e84c9d0da0 x19: ffffc0e84cab3558 x18: ffff800080009058

| x17: 00000000247ee1f8 x16: 00000000247ee1f8 x15: 00000000bdcb279d

| x14: 00

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/38f7e14519d39cf524ddc02d4caee9b337dad703Refgit.kernel.org/stable/c/90a6a844b2d9927d192758438a4ada33d8cd9de5

How CyberStrike helps

Frequently asked questions

What is CVE-2024-44981?

CVE-2024-44981 is a medium-severity vulnerability. It was published on September 4, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-44981?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-44981?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-44981?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-44981 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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