CVE-2024-50055: driver core: bus: Fix double free in driver API bus_register()

Published Oct 21, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

driver core: bus: Fix double free in driver API busregister()

For busregister(), any error which happens after ksetregister() will cause that @priv are freed twice, fixed by setting @priv with NULL after the first free.

Other sources

This CVE was automatically created from a reference found in an email or other text. If you are reading this, then this CVE entry is probably erroneous, since this text should be replaced by the official CVE description automatically.

— Launchpad

Affected Software

126 affected componentsFixes available
Linux Linux kernel<6.6.57
Linux Linux kernel>=6.7<6.11.4
Debian Debian Linux=11.0
Linux Linux kernel<5.4.291
Linux Linux kernel>=5.5<5.10.231
Linux Linux kernel>=5.11<5.15.174
Linux Linux kernel>=5.16<6.1.120
Linux Linux kernel>=6.2<6.6.57
debian/linux<6.1.123-1
6.1.123-1
debian/linux<6.11.4-1
6.11.4-1
debian/linux<6.11.4-1
6.11.4-1
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1
ubuntu/linux-hwe-edge*
ubuntu/linux-aws-5.0*
ubuntu/linux-aws-5.3*
ubuntu/linux-azure*
ubuntu/linux-azure-5.3*
ubuntu/linux-azure-edge*
ubuntu/linux-gcp*
ubuntu/linux-gcp-5.3*
ubuntu/linux-gke-4.15*
ubuntu/linux-gke-5.4*
ubuntu/linux-gkeop-5.4*
ubuntu/linux-hwe*
ubuntu/linux-hwe-edge*
ubuntu/linux-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-5.11*
ubuntu/linux-aws-5.13*
ubuntu/linux-aws-5.8*
ubuntu/linux-azure-5.11*
ubuntu/linux-azure-5.13*
ubuntu/linux-azure-5.8*
ubuntu/linux-azure-fde*
ubuntu/linux-gcp-5.11*
ubuntu/linux-gcp-5.13*
ubuntu/linux-gcp-5.8*
ubuntu/linux-gke*
ubuntu/linux-gke-5.15*
ubuntu/linux-gkeop*
ubuntu/linux-gkeop-5.15*
ubuntu/linux-hwe-5.11*
ubuntu/linux-hwe-5.13*
ubuntu/linux-hwe-5.8*
ubuntu/linux-intel-5.13*
ubuntu/linux-oem-5.10*
ubuntu/linux-oem-5.13*
ubuntu/linux-oem-5.6*
ubuntu/linux-oracle-5.11*
ubuntu/linux-oracle-5.13*
ubuntu/linux-oracle-5.8*
ubuntu/linux-raspi2*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.11*
ubuntu/linux-riscv-5.8*
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-aws-6.8<6.8.0-1027.29~22.04.1
6.8.0-1027.29~22.04.1
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-6.8<6.8.0-1025.30~22.04.1
6.8.0-1025.30~22.04.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gcp-6.8<6.8.0-1026.28~22.04.1
6.8.0-1026.28~22.04.1
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-hwe-6.8<6.8.0-57.59~22.04.1
6.8.0-57.59~22.04.1
ubuntu/linux-ibm-6.8<6.8.0-1023.23~22.04.1
6.8.0-1023.23~22.04.1
ubuntu/linux-intel-iot-realtime<5.15.0-1073.75
5.15.0-1073.75
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-lowlatency-hwe-6.8<6.8.0-56.58.1~22.04.1
6.8.0-56.58.1~22.04.1
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-nvidia-6.8<6.8.0-1024.27~22.04.1
6.8.0-1024.27~22.04.1
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle-6.5*
ubuntu/linux-oracle-6.8<6.8.0-1022.23~22.04.1
6.8.0-1022.23~22.04.1
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-riscv-6.8<6.8.0-56.58.1~22.04.1
6.8.0-56.58.1~22.04.1
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-realtime-6.8<6.8.1-1018.19~22.04.1
6.8.1-1018.19~22.04.1
ubuntu/linux<6.8.0-56.58
6.8.0-56.58
ubuntu/linux-aws<6.8.0-1025.27
6.8.0-1025.27
ubuntu/linux-azure<6.8.0-1025.30
6.8.0-1025.30
ubuntu/linux-azure-6.11<6.11.0-1012.12~24.04.1
6.11.0-1012.12~24.04.1
ubuntu/linux-azure-nvidia<6.8.0-1014.15
6.8.0-1014.15
ubuntu/linux-gcp<6.8.0-1026.28
6.8.0-1026.28
ubuntu/linux-gcp-6.11<6.11.0-1011.11~24.04.1
6.11.0-1011.11~24.04.1
ubuntu/linux-gke<6.8.0-1021.25
6.8.0-1021.25
ubuntu/linux-gkeop<6.8.0-1008.10
6.8.0-1008.10
ubuntu/linux-ibm<6.8.0-1022.22
6.8.0-1022.22
ubuntu/linux-lowlatency<6.8.0-56.58.1
6.8.0-56.58.1
ubuntu/linux-nvidia<6.8.0-1024.27
6.8.0-1024.27
ubuntu/linux-nvidia-6.11<6.11.0-1007.7
6.11.0-1007.7
ubuntu/linux-nvidia-lowlatency<6.8.0-1024.27.1
6.8.0-1024.27.1
ubuntu/linux-nvidia-tegra<6.8.0-1004.4
6.8.0-1004.4
ubuntu/linux-oem-6.11<6.11.0-1015.15
6.11.0-1015.15
ubuntu/linux-oem-6.8<6.8.0-1024.24
6.8.0-1024.24
ubuntu/linux-oracle<6.8.0-1022.23
6.8.0-1022.23
ubuntu/linux-raspi<6.8.0-1028.32
6.8.0-1028.32
ubuntu/linux-raspi-realtime*
ubuntu/linux-realtime*
ubuntu/linux-riscv<6.8.0-56.58.1
6.8.0-56.58.1
ubuntu/linux-xilinx<6.8.0-1017.18
6.8.0-1017.18
ubuntu/linux-raspi-realtime<6.8.0-2023.24
6.8.0-2023.24
ubuntu/linux-realtime<6.8.1-1018.19
6.8.1-1018.19
ubuntu/linux-fips<6.8.0-78.78+fips1
6.8.0-78.78+fips1
ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 6.1.123-1
  2. Upgrade

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

    Fixed in 6.11.4-1
  3. Upgrade

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

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.12-1Fixed in 7.2.15-1
  4. Upgrade

    Upgrade ubuntu/linux-aws-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1027.29~22.04.1
  5. Upgrade

    Upgrade ubuntu/linux-azure-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1025.30~22.04.1
  6. Upgrade

    Upgrade ubuntu/linux-gcp-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1026.28~22.04.1
  7. Upgrade

    Upgrade ubuntu/linux-hwe-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-57.59~22.04.1
  8. Upgrade

    Upgrade ubuntu/linux-ibm-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1023.23~22.04.1
  9. Upgrade

    Upgrade ubuntu/linux-intel-iot-realtime to a version that resolves this vulnerability.

    Fixed in 5.15.0-1073.75
  10. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-56.58.1~22.04.1
  11. Upgrade

    Upgrade ubuntu/linux-nvidia-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1024.27~22.04.1
  12. Upgrade

    Upgrade ubuntu/linux-oracle-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1022.23~22.04.1
  13. Upgrade

    Upgrade ubuntu/linux-riscv-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-56.58.1~22.04.1
  14. Upgrade

    Upgrade ubuntu/linux-realtime-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.1-1018.19~22.04.1
  15. Upgrade

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

    Fixed in 6.8.0-56.58
  16. Upgrade

    Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.

    Fixed in 6.8.0-1025.27
  17. Upgrade

    Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.

    Fixed in 6.8.0-1025.30
  18. Upgrade

    Upgrade ubuntu/linux-azure-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1012.12~24.04.1
  19. Upgrade

    Upgrade ubuntu/linux-azure-nvidia to a version that resolves this vulnerability.

    Fixed in 6.8.0-1014.15
  20. Upgrade

    Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.

    Fixed in 6.8.0-1026.28
  21. Upgrade

    Upgrade ubuntu/linux-gcp-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1011.11~24.04.1
  22. Upgrade

    Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.

    Fixed in 6.8.0-1021.25
  23. Upgrade

    Upgrade ubuntu/linux-gkeop to a version that resolves this vulnerability.

    Fixed in 6.8.0-1008.10
  24. Upgrade

    Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.

    Fixed in 6.8.0-1022.22
  25. Upgrade

    Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-56.58.1
  26. Upgrade

    Upgrade ubuntu/linux-nvidia to a version that resolves this vulnerability.

    Fixed in 6.8.0-1024.27
  27. Upgrade

    Upgrade ubuntu/linux-nvidia-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1007.7
  28. Upgrade

    Upgrade ubuntu/linux-nvidia-lowlatency to a version that resolves this vulnerability.

    Fixed in 6.8.0-1024.27.1
  29. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra to a version that resolves this vulnerability.

    Fixed in 6.8.0-1004.4
  30. Upgrade

    Upgrade ubuntu/linux-oem-6.11 to a version that resolves this vulnerability.

    Fixed in 6.11.0-1015.15
  31. Upgrade

    Upgrade ubuntu/linux-oem-6.8 to a version that resolves this vulnerability.

    Fixed in 6.8.0-1024.24
  32. Upgrade

    Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.

    Fixed in 6.8.0-1022.23
  33. Upgrade

    Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.

    Fixed in 6.8.0-1028.32
  34. Upgrade

    Upgrade ubuntu/linux-riscv to a version that resolves this vulnerability.

    Fixed in 6.8.0-56.58.1
  35. Upgrade

    Upgrade ubuntu/linux-xilinx to a version that resolves this vulnerability.

    Fixed in 6.8.0-1017.18
  36. Upgrade

    Upgrade ubuntu/linux-raspi-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.0-2023.24
  37. Upgrade

    Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.

    Fixed in 6.8.1-1018.19
  38. Upgrade

    Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.

    Fixed in 6.8.0-78.78+fips1
  39. Compensating control

    In driver core bus_register(), set @priv to NULL after the first free to prevent double freeing when an error occurs after kset_register().

Event History

Oct 21, 2024
CVE Published
via MITRE·07:39 PM
Data Sourced
via MITRE·07:39 PM
DescriptionSeverity
Data Sourced
via Red Hat·08:03 PM
DescriptionSeverityAffected Software
Data Sourced
via OSV·08:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2024-50055?

CVE-2024-50055 has a severity rating that reflects the potential impact of the double free vulnerability in the Linux kernel.

2

How do I fix CVE-2024-50055?

To fix CVE-2024-50055, update your Linux kernel to a version after 6.6.57 or ensure it is between 6.7 and 6.11.4 inclusive.

3

What systems are affected by CVE-2024-50055?

CVE-2024-50055 affects various versions of the Linux kernel, specifically those up to version 6.6.57 and between versions 6.7 and 6.11.4.

4

What are the potential impacts of CVE-2024-50055?

The potential impacts of CVE-2024-50055 include system crashes and unpredictable behavior due to the double free vulnerability.

5

Is there a public disclosure for CVE-2024-50055?

Yes, CVE-2024-50055 has been publicly disclosed, detailing the fix related to the driver API's bus_register() in the Linux kernel.

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