CVE-2024-24855: Race condition vulnerability in Linux kernel scsi device driver lpfc_unregister_fcf_rescan()

Published Feb 5, 2024
·
Updated

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

Affected Software

5 affected componentsFixes available
Linux Linux kernel<=2.6.33.20
Linux Linux kernel>=6.0<=6.4.16
Linux Linux kernel=2.6.34-rc1
Linux Linux kernel=6.5-rc1
debian/linux<=5.10.223-1, <=5.10.234-1, <=6.1.129-1
6.1.135-16.12.25-16.12.27-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1
  2. Compensating control

    Apply the Linux kernel fix from commit id "0e881c0a4b614" to address the race condition in lpfc_unregister_fcf_rescan(), which can cause a null pointer dereference, kernel panic, or denial of service.

Event History

Feb 5, 2024
CVE Published
via MITRE·07:25 AM
Data Sourced
via MITRE·07:25 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
Mar 19, 2024
Data Sourced
via Launchpad·12:13 AM
Description
Apr 27, 2025
Data Sourced
via Ubuntu·01:21 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-24855?

CVE-2024-24855 has a high severity due to its potential to cause kernel panic or denial of service.

2

How do I fix CVE-2024-24855?

To fix CVE-2024-24855, update your Linux kernel to version 6.12.11-1 or later.

3

Which versions of the Linux kernel are affected by CVE-2024-24855?

CVE-2024-24855 affects Linux kernel versions from 2.6.34-rc1 up through 6.4.16.

4

What could happen if I do not address CVE-2024-24855?

Failing to address CVE-2024-24855 may lead to system instability and potential crashes.

5

Is CVE-2024-24855 a race condition vulnerability?

Yes, CVE-2024-24855 is a race condition vulnerability found in the Linux kernel's scsi device driver.

Contact

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