What is CVE-2024-53203?

CVE-2024-53203 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, affecting Linux kernel versions from 5.6 onward and patched in 5.10.238, 5.15.184, 6.1.140 and others. CVE-2024-53203 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-53203?

CVE-2024-53203 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2024-53203?

Yes, CVE-2024-53203 has been patched. Fixed versions include 5.10.238, 5.15.184, 6.1.140 and others. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-53203 actively exploited?

CVE-2024-53203 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-53203

High

In the Linux kernel, the following vulnerability has been resolved: usb: typec: fix potential array underflow in ucsi_ccg_sync_control() The "command" variable can be controlled by the user via debugfs. The worry is that if con_index is zero then "&uc->ucsi->connector[con_index - 1]" would be an array underflow.

Package Linux Kernel

Published 2024-12-27

Last modified 2025-11-03

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-129

CVE-2024-53203 is classified as CWE-129

See CWE-129 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 5.6 and later are affected. Fixed in 5.10.238, 5.15.184, 6.1.140, 6.6.88, 6.11.11, 6.12.2, 6.13 and their respective stable series.

Affected from

≥ 5.6

Fixed in

✓ 5.10.238 5.10.x ✓ 5.15.184 5.15.x ✓ 6.1.140 6.1.x ✓ 6.6.88 6.6.x ✓ 6.11.11 6.11.x ✓ 6.12.2 6.12.x ✓ 6.13

References

The following references provide additional information about CVE-2024-53203 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
Debian Security
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
Kernel patch commit
https://git.kernel.org/stable/c/0e66fd8e5a2e45c7dacfc9178ba702153f4a61a8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/56971710cd541f2f05160a84b3183477d34a1be9
Patch
Kernel patch commit
https://git.kernel.org/stable/c/627c2a5056aba42a8a96a8fffe8996aeccf919a9
Patch

7 patch commits total View all on NVD

Details

CVE ID CVE-2024-53203

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-12-27

Modified 2025-11-03

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-53203?

CVE-2024-53203 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 5.6 onward and has been patched in 5.10.238, 5.15.184, 6.1.140 and others. CVE-2024-53203 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-53203?

CVE-2024-53203 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2024-53203?

Yes — CVE-2024-53203 has been patched. Fixed versions include 5.10.238, 5.15.184, 6.1.140 and others. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-53203 actively exploited?

No — CVE-2024-53203 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.