What is CVE-2024-24855?

CVE-2024-24855 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Race Condition flaw (CWE-362), affecting Linux kernel versions from v2.6.34-rc2 onward and patched in v6.5-rc2. CVE-2024-24855 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-24855?

CVE-2024-24855 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-24855?

Yes, CVE-2024-24855 has been patched. Fixed versions include v6.5-rc2. If you are running Linux kernel v2.6.34-rc2 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-24855 actively exploited?

CVE-2024-24855 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-2024-24855

Medium

A race condition was found in the Linux kernel's scsi device driver in lpfc_unregister_fcf_rescan() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.

Package Linux Kernel

Published 2024-02-05

Last modified 2026-05-12

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2024-24855 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

Affected versions

Linux kernel versions v2.6.34-rc2 and later are affected. Fixed in v6.5-rc2 and their respective stable series.

Affected from

≥ v2.6.34-rc2

Fixed in

✓ v6.5-rc2

References

3 total

Bugzilla
https://bugzilla.openanolis.cn/show_bug.cgi?id=8149

Permissions Required
Debian Security
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
Cert-Portal
https://cert-portal.siemens.com/productcert/html/ssa-082556.html

Details

CVE ID CVE-2024-24855

Severity Medium

CVSS score 4.7 / 10

CVSS version 3.1

Published 2024-02-05

Modified 2026-05-12

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-24855?

CVE-2024-24855 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a Race Condition flaw (CWE-362) . It affects Linux kernel versions from v2.6.34-rc2 onward and has been patched in v6.5-rc2. CVE-2024-24855 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-24855?

CVE-2024-24855 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-24855?

Yes. CVE-2024-24855 has been patched. Fixed versions include v6.5-rc2. If you are running Linux kernel v2.6.34-rc2 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-24855 actively exploited?

No. CVE-2024-24855 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.