CVE-2024-46852: dma-buf: heaps: Fix off-by-one in CMA heap fault handler

Published Sep 27, 2024
·
Updated

dma-buf: heaps: Fix off-by-one in CMA heap fault handler

Other sources

In cmaheapvmfault of cmaheap.c, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.

— OSV

Affected Software

161 affected componentsFixes available
Linux Linux kernel>=5.11<6.1.111
Linux Linux kernel>=6.2<6.6.52
Linux Linux kernel>=6.7<6.10.11
Linux Linux kernel=6.11-rc1
Linux Linux kernel=6.11-rc2
Linux Linux kernel=6.11-rc3
Linux Linux kernel=6.11-rc4
Linux Linux kernel=6.11-rc5
Linux Linux kernel=6.11-rc6
Linux Linux kernel=6.11-rc7
Microsoft cbl2 kernel 5.15.182.1-1
Microsoft azl3 kernel 6.6.51.1-5
Patch available
Microsoft azl3 kernel 6.6.56.1-5
Patch available
Microsoft cbl2 kernel 5.15.176.3-1
Patch available
Microsoft cbl2 kernel 5.15.182.1-1
Patch available
Debian Debian Linux=11.0
Linux Linux kernel>=5.11<5.15.168
Linux Linux kernel>=5.16<6.1.111
Google Android
android/:linux_kernel:>=:0<:2025-03-05
:2025-03-05
debian/linux
6.1.176-16.1.190-16.12.107-16.12.113-17.2.12-17.2.13-1
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-oem*
ubuntu/linux-oracle-5.0*
ubuntu/linux-oracle-5.3*
ubuntu/linux-aws-5.15<5.15.0-1073.79~20.04.1
5.15.0-1073.79~20.04.1
ubuntu/linux-azure-5.15<5.15.0-1078.87~20.04.1
5.15.0-1078.87~20.04.1
ubuntu/linux-gcp-5.15<5.15.0-1072.80~20.04.1
5.15.0-1072.80~20.04.1
ubuntu/linux-hwe-5.15<5.15.0-127.137~20.04.1
5.15.0-127.137~20.04.1
ubuntu/linux-ibm-5.15<5.15.0-1066.69~20.04.1
5.15.0-1066.69~20.04.1
ubuntu/linux-intel-iotg-5.15<5.15.0-1071.77~20.04.1
5.15.0-1071.77~20.04.1
ubuntu/linux-lowlatency-hwe-5.15<5.15.0-127.137~20.04.1
5.15.0-127.137~20.04.1
ubuntu/linux-nvidia-tegra-5.15<5.15.0-1032.32~20.04.1
5.15.0-1032.32~20.04.1
ubuntu/linux-oracle-5.15<5.15.0-1071.77~20.04.1
5.15.0-1071.77~20.04.1
ubuntu/linux-riscv-5.15<5.15.0-1069.73~20.04.1
5.15.0-1069.73~20.04.1
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-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<5.15.0-127.137
5.15.0-127.137
ubuntu/linux-allwinner-5.19*
ubuntu/linux-aws<5.15.0-1073.79
5.15.0-1073.79
ubuntu/linux-aws-5.19*
ubuntu/linux-aws-6.2*
ubuntu/linux-aws-6.5*
ubuntu/linux-aws-6.8<6.8.0-1020.22~22.04.1
6.8.0-1020.22~22.04.1
ubuntu/linux-azure<5.15.0-1078.87
5.15.0-1078.87
ubuntu/linux-azure-5.19*
ubuntu/linux-azure-6.2*
ubuntu/linux-azure-6.5*
ubuntu/linux-azure-6.8<6.8.0-1020.23~22.04.1
6.8.0-1020.23~22.04.1
ubuntu/linux-azure-fde<5.15.0-1078.87.1
5.15.0-1078.87.1
ubuntu/linux-azure-fde-5.19*
ubuntu/linux-azure-fde-6.2*
ubuntu/linux-gcp<5.15.0-1072.80
5.15.0-1072.80
ubuntu/linux-gcp-5.19*
ubuntu/linux-gcp-6.2*
ubuntu/linux-gcp-6.5*
ubuntu/linux-gcp-6.8<6.8.0-1019.21~22.04.1
6.8.0-1019.21~22.04.1
ubuntu/linux-gke<5.15.0-1070.76
5.15.0-1070.76
ubuntu/linux-gkeop<5.15.0-1056.63
5.15.0-1056.63
ubuntu/linux-hwe-5.19*
ubuntu/linux-hwe-6.2*
ubuntu/linux-hwe-6.5*
ubuntu/linux-hwe-6.8<6.8.0-50.51~22.04.1
6.8.0-50.51~22.04.1
ubuntu/linux-ibm<5.15.0-1066.69
5.15.0-1066.69
ubuntu/linux-ibm-6.8<6.8.0-1017.17~22.04.1
6.8.0-1017.17~22.04.1
ubuntu/linux-intel-iotg<5.15.0-1071.77
5.15.0-1071.77
ubuntu/linux-kvm<5.15.0-1070.75
5.15.0-1070.75
ubuntu/linux-lowlatency<5.15.0-127.137
5.15.0-127.137
ubuntu/linux-lowlatency-hwe-5.19*
ubuntu/linux-lowlatency-hwe-6.2*
ubuntu/linux-lowlatency-hwe-6.5*
ubuntu/linux-lowlatency-hwe-6.8<6.8.0-50.51.1~22.04.1
6.8.0-50.51.1~22.04.1
ubuntu/linux-nvidia<5.15.0-1068.69
5.15.0-1068.69
ubuntu/linux-nvidia-6.2*
ubuntu/linux-nvidia-6.5*
ubuntu/linux-nvidia-6.8<6.8.0-1019.21~22.04.1
6.8.0-1019.21~22.04.1
ubuntu/linux-nvidia-tegra<5.15.0-1032.32
5.15.0-1032.32
ubuntu/linux-nvidia-tegra-igx<5.15.0-1020.20
5.15.0-1020.20
ubuntu/linux-oem-5.17*
ubuntu/linux-oem-6.0*
ubuntu/linux-oem-6.1*
ubuntu/linux-oem-6.5*
ubuntu/linux-oracle<5.15.0-1071.77
5.15.0-1071.77
ubuntu/linux-oracle-6.5*
ubuntu/linux-oracle-6.8<6.8.0-1017.18~22.04.1
6.8.0-1017.18~22.04.1
ubuntu/linux-raspi<5.15.0-1066.69
5.15.0-1066.69
ubuntu/linux-realtime*
ubuntu/linux-riscv*
ubuntu/linux-riscv-5.19*
ubuntu/linux-riscv-6.5*
ubuntu/linux-riscv-6.8<6.8.0-50.51.1~22.04.1
6.8.0-50.51.1~22.04.1
ubuntu/linux-starfive-5.19*
ubuntu/linux-starfive-6.2*
ubuntu/linux-starfive-6.5*
ubuntu/linux-xilinx-zynqmp<5.15.0-1039.43
5.15.0-1039.43
ubuntu/linux-bluefield<5.15.0-1057.59
5.15.0-1057.59
ubuntu/linux-intel-iot-realtime<5.15.0-1066.68
5.15.0-1066.68
ubuntu/linux-realtime<5.15.0-1074.82
5.15.0-1074.82
ubuntu/linux-realtime-6.8<6.8.1-1013.14~22.04.1
6.8.1-1013.14~22.04.1
ubuntu/linux-aws-fips*
ubuntu/linux-azure-fips*
ubuntu/linux-fips*
ubuntu/linux-gcp-fips*
ubuntu/linux-aws-fips<5.15.0-1073.79+fips1
5.15.0-1073.79+fips1
ubuntu/linux-azure-fips<5.15.0-1078.87+fips1
5.15.0-1078.87+fips1
ubuntu/linux-fips<5.15.0-127.137+fips1
5.15.0-127.137+fips1
ubuntu/linux-gcp-fips<5.15.0-1072.80+fips1
5.15.0-1072.80+fips1
ubuntu/linux<6.8.0-50.51
6.8.0-50.51
ubuntu/linux-aws<6.8.0-1020.22
6.8.0-1020.22
ubuntu/linux-azure<6.8.0-1020.23
6.8.0-1020.23
ubuntu/linux-gcp<6.8.0-1019.21
6.8.0-1019.21
ubuntu/linux-gke<6.8.0-1015.19
6.8.0-1015.19
ubuntu/linux-gkeop<6.8.0-1002.4
6.8.0-1002.4
ubuntu/linux-ibm<6.8.0-1017.17
6.8.0-1017.17
ubuntu/linux-lowlatency<6.8.0-50.51.1
6.8.0-50.51.1
ubuntu/linux-nvidia<6.8.0-1019.21
6.8.0-1019.21
ubuntu/linux-nvidia-lowlatency<6.8.0-1019.21.1
6.8.0-1019.21.1
ubuntu/linux-oem-6.8<6.8.0-1018.18
6.8.0-1018.18
ubuntu/linux-oracle<6.8.0-1017.18
6.8.0-1017.18
ubuntu/linux-raspi<6.8.0-1016.18
6.8.0-1016.18
ubuntu/linux-riscv<6.8.0-50.51.1
6.8.0-50.51.1
ubuntu/linux-xilinx<6.8.0-1017.18
6.8.0-1017.18
ubuntu/linux-raspi-realtime<6.8.0-2015.16
6.8.0-2015.16
ubuntu/linux-realtime<6.8.1-1013.14
6.8.1-1013.14
ubuntu/linux-fips<6.8.0-78.78+fips1
6.8.0-78.78+fips1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade android/:linux_kernel: to a version that resolves this vulnerability.

    Fixed in :2025-03-05
  2. 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 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1
  3. Upgrade

    Upgrade ubuntu/linux-aws-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1073.79~20.04.1
  4. Upgrade

    Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1078.87~20.04.1
  5. Upgrade

    Upgrade ubuntu/linux-gcp-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1072.80~20.04.1
  6. Upgrade

    Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-127.137~20.04.1
  7. Upgrade

    Upgrade ubuntu/linux-ibm-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1066.69~20.04.1
  8. Upgrade

    Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1071.77~20.04.1
  9. Upgrade

    Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-127.137~20.04.1
  10. Upgrade

    Upgrade ubuntu/linux-nvidia-tegra-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1032.32~20.04.1
  11. Upgrade

    Upgrade ubuntu/linux-oracle-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1071.77~20.04.1
  12. Upgrade

    Upgrade ubuntu/linux-riscv-5.15 to a version that resolves this vulnerability.

    Fixed in 5.15.0-1069.73~20.04.1
  13. Upgrade

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

    Fixed in 5.15.0-127.137
  14. Upgrade

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

    Fixed in 5.15.0-1073.79
  15. Upgrade

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

    Fixed in 6.8.0-1020.22~22.04.1
  16. Upgrade

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

    Fixed in 5.15.0-1078.87
  17. Upgrade

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

    Fixed in 6.8.0-1020.23~22.04.1
  18. Upgrade

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

    Fixed in 5.15.0-1078.87.1
  19. Upgrade

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

    Fixed in 5.15.0-1072.80
  20. Upgrade

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

    Fixed in 6.8.0-1019.21~22.04.1
  21. Upgrade

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

    Fixed in 5.15.0-1070.76
  22. Upgrade

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

    Fixed in 5.15.0-1056.63
  23. Upgrade

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

    Fixed in 6.8.0-50.51~22.04.1
  24. Upgrade

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

    Fixed in 5.15.0-1066.69
  25. Upgrade

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

    Fixed in 6.8.0-1017.17~22.04.1
  26. Upgrade

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

    Fixed in 5.15.0-1071.77
  27. Upgrade

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

    Fixed in 5.15.0-1070.75
  28. Upgrade

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

    Fixed in 5.15.0-127.137
  29. Upgrade

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

    Fixed in 6.8.0-50.51.1~22.04.1
  30. Upgrade

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

    Fixed in 5.15.0-1068.69
  31. Upgrade

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

    Fixed in 6.8.0-1019.21~22.04.1
  32. Upgrade

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

    Fixed in 5.15.0-1032.32
  33. Upgrade

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

    Fixed in 5.15.0-1020.20
  34. Upgrade

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

    Fixed in 5.15.0-1071.77
  35. Upgrade

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

    Fixed in 6.8.0-1017.18~22.04.1
  36. Upgrade

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

    Fixed in 5.15.0-1066.69
  37. Upgrade

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

    Fixed in 6.8.0-50.51.1~22.04.1
  38. Upgrade

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

    Fixed in 5.15.0-1039.43
  39. Upgrade

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

    Fixed in 5.15.0-1057.59
  40. Upgrade

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

    Fixed in 5.15.0-1066.68
  41. Upgrade

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

    Fixed in 5.15.0-1074.82
  42. Upgrade

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

    Fixed in 6.8.1-1013.14~22.04.1
  43. Upgrade

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

    Fixed in 5.15.0-1073.79+fips1
  44. Upgrade

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

    Fixed in 5.15.0-1078.87+fips1
  45. Upgrade

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

    Fixed in 5.15.0-127.137+fips1
  46. Upgrade

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

    Fixed in 5.15.0-1072.80+fips1
  47. Upgrade

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

    Fixed in 6.8.0-50.51
  48. Upgrade

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

    Fixed in 6.8.0-1020.22
  49. Upgrade

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

    Fixed in 6.8.0-1020.23
  50. Upgrade

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

    Fixed in 6.8.0-1019.21
  51. Upgrade

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

    Fixed in 6.8.0-1015.19
  52. Upgrade

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

    Fixed in 6.8.0-1002.4
  53. Upgrade

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

    Fixed in 6.8.0-1017.17
  54. Upgrade

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

    Fixed in 6.8.0-50.51.1
  55. Upgrade

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

    Fixed in 6.8.0-1019.21
  56. Upgrade

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

    Fixed in 6.8.0-1019.21.1
  57. Upgrade

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

    Fixed in 6.8.0-1018.18
  58. Upgrade

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

    Fixed in 6.8.0-1017.18
  59. Upgrade

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

    Fixed in 6.8.0-1016.18
  60. Upgrade

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

    Fixed in 6.8.0-50.51.1
  61. Upgrade

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

    Fixed in 6.8.0-1017.18
  62. Upgrade

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

    Fixed in 6.8.0-2015.16
  63. Upgrade

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

    Fixed in 6.8.1-1013.14
  64. Upgrade

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

    Fixed in 6.8.0-78.78+fips1

Event History

Sep 27, 2024
CVE Published
via MITRE·12:42 PM
Data Sourced
via MITRE·12:42 PM
DescriptionSeverity
Data Sourced
via OSV·01:15 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·01:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Nov 9, 2024
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeaknessAffected Software
Mar 1, 2025
Advisory Published
via OSV·12:00 AM
Mar 3, 2025
Data Sourced
via Android·12:00 AM
SeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2024-46852?

CVE-2024-46852 has not been assigned a CVSS score yet, but it addresses a critical off-by-one error in the Linux kernel's CMA heap fault handler.

2

How do I fix CVE-2024-46852?

To mitigate CVE-2024-46852, update your Linux kernel to a patched version such as 5.10.223-1, 5.10.226-1, 6.1.123-1, or 6.12.11-1.

3

Which Linux kernel versions are affected by CVE-2024-46852?

CVE-2024-46852 affects Linux kernel versions between 5.11 and 6.6.52, as well as several release candidates of 6.11.

4

What does the CVE-2024-46852 vulnerability impact?

CVE-2024-46852 can potentially allow an attacker to exploit memory handling issues in kernel space, leading to privilege escalation.

5

Is there a workaround for CVE-2024-46852?

Currently, the recommended resolution for CVE-2024-46852 is to apply the latest security patches rather than relying on workarounds.

Company

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