CVE-2024-43856: dma: fix call order in dmam_free_coherent

Published Aug 17, 2024
·
Updated

dma: fix call order in dmamfreecoherent

Affected Software

14 affected componentsFixes available
Linux Linux kernel>=2.6.21<4.19.320
Linux Linux kernel>=4.20<5.4.282
Linux Linux kernel>=5.5<5.10.224
Linux Linux kernel>=5.11<5.15.165
Linux Linux kernel>=5.16<6.1.103
Linux Linux kernel>=6.2<6.6.44
Linux Linux kernel>=6.7<6.10.3
debian/linux<=5.10.223-1
5.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
debian/linux-6.1
6.1.129-1~deb11u1
Microsoft cbl2 kernel 5.15.164.1-1
Microsoft azl3 kernel 6.6.47.1-1
Microsoft cbl2 kernel 5.15.164.1-1
Microsoft azl3 kernel 6.6.43.1-7
Microsoft cbl2 kernel 5.15.167.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1
  2. Upgrade

    Upgrade debian/linux-6.1 to a version that resolves this vulnerability.

    Fixed in 6.1.129-1~deb11u1
  3. Upgrade

    Upgrade Linux kernel dma: fix call order in dmam_free_coherent to a version that resolves this vulnerability.

    Patch b9145fe6-0f72-4325-ac2f-a84d81075b03

Event History

Aug 17, 2024
CVE Published
via MITRE·09:24 AM
Data Sourced
via MITRE·09:24 AM
DescriptionSeverity
Data Sourced
via NVD·10:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 11, 2024
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity
Apr 27, 2025
Data Sourced
via Ubuntu·12:33 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-43856?

The severity of CVE-2024-43856 is classified as moderate.

2

How do I fix CVE-2024-43856?

To fix CVE-2024-43856, update your Linux kernel to the latest patched version available in your distribution.

3

Which versions of the Linux kernel are affected by CVE-2024-43856?

CVE-2024-43856 affects Linux kernel versions between 2.6.21 and 4.19.320, 4.20 to 5.4.282, 5.5 to 5.10.224, 5.11 to 5.15.165, 5.16 to 6.1.103, 6.2 to 6.6.44, and 6.7 to 6.10.3.

4

Is there a specific kernel version to upgrade to for CVE-2024-43856?

Users should upgrade to kernel version 5.10.226-1 or 6.1.123-1 or newer to mitigate CVE-2024-43856.

5

What impact does CVE-2024-43856 have on system security?

CVE-2024-43856 could potentially allow misuse of freed memory, leading to system instability or arbitrary code execution.

Contact

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