What is CVE-2023-33203?

CVE-2023-33203 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.4 out of 10, classified as a Race Condition flaw (CWE-362). CVE-2023-33203 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-33203?

CVE-2023-33203 has a CVSS score of 6.4 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-33203?

No patch is currently available for CVE-2023-33203. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-33203 actively exploited?

CVE-2023-33203 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2023-33203

Medium

The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in drivers/net/ethernet/qualcomm/emac/emac.c if a physically proximate attacker unplugs an emac based device.

Package Linux Kernel

Published 2023-05-18

Last modified 2025-05-05

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.4

out of 10

Medium

Attack Vector

Physical

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2023-33203 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-33203 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=2192667

Not Applicable
SUSE
https://bugzilla.suse.com/show_bug.cgi?id=1210685

Issue Tracking Third Party Advisory
Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9

Mailing List Release Notes
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6b6bc5b8bd2d4ca9e1efa9ae0f98a0b0687ace75
Patch

Details

CVE ID CVE-2023-33203

Severity Medium

CVSS score 6.4 / 10

CVSS version 3.1

Published 2023-05-18

Modified 2025-05-05

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-33203?

CVE-2023-33203 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.4 out of 10 , classified as a Race Condition flaw (CWE-362) . CVE-2023-33203 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-33203?

CVE-2023-33203 has a CVSS score of 6.4 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-33203?

No patch is currently available for CVE-2023-33203. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-33203 actively exploited?

No — CVE-2023-33203 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →