What is CVE-2024-27436?

CVE-2024-27436 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 3.8 onward and patched in 4.19.311, 5.4.273, 5.10.214 and others. CVE-2024-27436 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-27436?

CVE-2024-27436 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-2024-27436?

Yes, CVE-2024-27436 has been patched. Fixed versions include 4.19.311, 5.4.273, 5.10.214 and others. If you are running Linux kernel 3.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-27436 actively exploited?

CVE-2024-27436 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2024-27436

Medium

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Stop parsing channels bits when all channels are found. If a usb audio device sets more bits than the amount of channels it could write outside of the map array.

Package Linux Kernel

Published 2024-05-17

Last modified 2026-05-12

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-787

CVE-2024-27436 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 3.8 and later are affected. Fixed in 4.19.311, 5.4.273, 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9 and their respective stable series.

Affected from

≥ 3.8

Fixed in

✓ 4.19.311 4.19.x ✓ 5.4.273 5.4.x ✓ 5.10.214 5.10.x ✓ 5.15.153 5.15.x ✓ 6.1.83 6.1.x ✓ 6.6.23 6.6.x ✓ 6.7.11 6.7.x ✓ 6.8.2 6.8.x ✓ 6.9

References

12 total

Kernel Git
https://git.kernel.org/stable/c/22cad1b841a63635a38273b799b4791f202ade72

Patch
Kernel Git
https://git.kernel.org/stable/c/5cd466673b34bac369334f66cbe14bb77b7d7827

Patch
Kernel Git
https://git.kernel.org/stable/c/629af0d5fe94a35f498ba2c3f19bd78bfa591be6

Patch
Kernel Git
https://git.kernel.org/stable/c/6d5dc96b154be371df0d62ecb07efe400701ed8a

Patch
Kernel Git
https://git.kernel.org/stable/c/6d88b289fb0a8d055cb79d1c46a56aba7809d96d

Patch

Showing 5 of 12 references View all on NVD

Details

CVE ID CVE-2024-27436

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-05-17

Modified 2026-05-12

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-27436?

CVE-2024-27436 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 3.8 onward and has been patched in 4.19.311, 5.4.273, 5.10.214 and others. CVE-2024-27436 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-27436?

CVE-2024-27436 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-2024-27436?

Yes. CVE-2024-27436 has been patched. Fixed versions include 4.19.311, 5.4.273, 5.10.214 and others. If you are running Linux kernel 3.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-27436 actively exploited?

No. CVE-2024-27436 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.